Win 500 multiplayer games.
Unlocked: 22 Mar 2016 17:23:33
Win 450 multiplayer games.
Unlocked: 22 Mar 2016 16:10:21
Steady Aim
10Win 400 multiplayer games.
Unlocked: 22 Mar 2016 14:35:33
Win 350 multiplayer games.
Unlocked: 22 Mar 2016 13:28:54
Thermopylae
10Win 300 multiplayer games.
Unlocked: 22 Mar 2016 12:20:07
Win 250 multiplayer games.
Unlocked: 22 Mar 2016 01:44:59
Knightbane
10Kill 1000 Knights.
Unlocked: 22 Mar 2016 01:00:35
Kill 1000 Watchers.
Unlocked: 21 Mar 2016 23:13:03
Wyrmslayer
10Kill 250 Hunters.
Unlocked: 21 Mar 2016 22:09:30
Lore Master
30Activate all terminals.
Unlocked: 21 Mar 2016 18:30:33
Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.
Unlocked: 21 Mar 2016 12:12:05
Created and saved 5 Custom Game types.
Unlocked: 20 Mar 2016 17:52:48
Created and saved 5 Custom Maps in Forge.
Unlocked: 20 Mar 2016 17:37:40
Win 200 multiplayer games.
Unlocked: 20 Mar 2016 16:48:29
Complete 500 missions or multiplayer games.
Unlocked: 19 Mar 2016 19:02:35
Earn a total of 2,500 Assist medals in multiplayer.
Unlocked: 19 Mar 2016 14:28:14
Earn a total of 250 KOTH Mode Specific medals in matchmade games.
Unlocked: 19 Mar 2016 01:51:25
Party Pooper
10Earn a total of 250 Killjoy medals in matchmade games.
Unlocked: 18 Mar 2016 23:47:24
Dim Mak
10Earn a total of 250 Beat Down medals in multiplayer.
Unlocked: 18 Mar 2016 19:26:24
Earn a total of 2,500 Headshot medals in multiplayer.
Unlocked: 18 Mar 2016 15:26:34
Complete 450 missions or multiplayer games.
Unlocked: 17 Mar 2016 14:00:54
Sample Plate
20Complete three cross-game playlists.
Unlocked: 17 Mar 2016 01:59:38
Dogcatcher
10Kill 1000 Crawlers.
Unlocked: 16 Mar 2016 00:26:47
Kill 100 Watchers.
Unlocked: 15 Mar 2016 23:30:56
Complete 1 mission with the LASO playlist skulls enabled.
Unlocked: 15 Mar 2016 21:49:20
Kill 100 Knights.
Unlocked: 15 Mar 2016 21:20:31
Catch This
10Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.
Unlocked: 15 Mar 2016 18:54:16
Domination
10Earn a total of 100 Legendary medals in matchmade games.
Unlocked: 14 Mar 2016 14:17:39
Complete 400 missions or multiplayer games.
Unlocked: 05 Mar 2016 00:37:54
Spree Master
10Earn a total of 100 Killing Spree medals in matchmade games.
Unlocked: 04 Mar 2016 21:26:26
Dankey Kang
10Kill 1000 Brutes.
Unlocked: 01 Mar 2016 19:48:17
Earn a total of 250 Double Kill medals in matchmade games.
Unlocked: 30 Jan 2016 12:22:39
Sharpshooter
10Win 150 multiplayer games.
Unlocked: 28 Jan 2016 22:41:15
Committed
10Complete 350 missions or multiplayer games.
Unlocked: 28 Jan 2016 22:25:45
Win 100 multiplayer games.
Unlocked: 28 Jan 2016 21:42:55
Complete 300 missions or multiplayer games.
Unlocked: 28 Jan 2016 21:32:07
Contender
10Win 50 multiplayer games.
Unlocked: 28 Jan 2016 20:43:43
Up All Night
10Complete 250 missions or multiplayer games.
Unlocked: 28 Jan 2016 20:31:17
Bonus Level
10Complete 200 missions or multiplayer games.
Unlocked: 24 Jan 2016 15:48:51
Earn a total of 250 CTF Mode Specific medals in matchmade games.
Unlocked: 24 Jan 2016 14:23:10
Play a multiplayer or co-op game at least 3 months after your first game.
Unlocked: 24 Jan 2016 12:12:43
Veteran
30Complete all campaigns on Normal difficulty.
Unlocked: 11 Jan 2016 21:59:50
War Hero
40Complete all campaigns on Heroic difficulty.
Unlocked: 11 Jan 2016 21:59:50
Legend
50Complete all campaigns on Legendary difficulty.
Unlocked: 11 Jan 2016 21:59:50
Complete all campaigns on Easy difficulty.
Unlocked: 11 Jan 2016 21:59:50
Kill 100 Crawlers.
Unlocked: 10 Jan 2016 21:39:43
Complete 150 missions or multiplayer games.
Unlocked: 10 Jan 2016 19:19:35
Kill 50 Hunters.
Unlocked: 08 Jan 2016 22:45:00
Collect 10,000 campaign or playlist medals.
Unlocked: 08 Jan 2016 12:26:47
Collect 9,000 campaign or playlist medals.
Unlocked: 08 Jan 2016 12:26:47
Collect 7,000 campaign or playlist medals.
Unlocked: 08 Jan 2016 12:26:47
Collect 8,000 campaign or playlist medals.
Unlocked: 08 Jan 2016 12:26:47
Kill 20,000 enemies or players.
Unlocked: 08 Jan 2016 12:19:10
Collect 6,000 campaign or playlist medals.
Unlocked: 06 Jan 2016 18:37:01
Inscrutable. Mysterious.
Unlocked: 05 Jan 2016 21:39:35
Kill 1000 Elites.
Unlocked: 05 Jan 2016 21:23:30
Kill 1000 Flood.
Unlocked: 05 Jan 2016 21:18:50
Collect 5,000 campaign or playlist medals.
Unlocked: 05 Jan 2016 20:16:18
Kill 1000 Jackals.
Unlocked: 26 Oct 2015 13:44:20
Collect 4,000 campaign or playlist medals.
Unlocked: 24 Oct 2015 23:48:19
I Got This
10Complete 100 missions or multiplayer games.
Unlocked: 24 Oct 2015 23:11:55
Foe Hammer
10Kill 5,000 enemies or players.
Unlocked: 24 Oct 2015 21:24:10
Collect 3,000 campaign or playlist medals.
Unlocked: 24 Oct 2015 19:07:43
Win 10 multiplayer games.
Unlocked: 23 Oct 2015 18:17:37
Kill a 343 developer in matchmaking or someone who has this achievement.
Unlocked: 22 Oct 2015 21:31:57
Kill 100 Flood.
Unlocked: 19 Oct 2015 15:45:06
Collect 2,000 campaign or playlist medals.
Unlocked: 19 Oct 2015 13:46:51
Get killed by the Guardians.
Unlocked: 19 Oct 2015 12:25:50
Game On
10Complete 50 missions or multiplayer games.
Unlocked: 19 Oct 2015 00:28:30
Kill 100 Brutes.
Unlocked: 18 Oct 2015 17:31:15
Gruntageddon
10Kill 1000 Grunts.
Unlocked: 18 Oct 2015 17:12:23
Collect 1,000 unique campaign or playlist medals.
Unlocked: 18 Oct 2015 14:41:18
Kill 100 Elites.
Unlocked: 18 Oct 2015 12:40:03
Collect 500 campaign or playlist medals.
Unlocked: 18 Oct 2015 12:16:45
Kill 100 Jackals.
Unlocked: 18 Oct 2015 11:30:03
Complete 10 missions or multiplayer games.
Unlocked: 18 Oct 2015 01:10:05
Kill 100 Grunts.
Unlocked: 17 Oct 2015 19:20:29
Kill 100 enemies or players.
Unlocked: 17 Oct 2015 18:55:23
Complete any co-op level on Normal difficulty.
Unlocked: 17 Oct 2015 18:16:49
Brovershield
10Complete any co-op level on Heroic difficulty.
Unlocked: 17 Oct 2015 18:16:49
Bro Hammer
10Complete any co-op level on Legendary difficulty.
Unlocked: 17 Oct 2015 18:16:49
LASO Master
50Complete the LASO playlist for every Halo game.
Unlocked: 17 Oct 2015 18:08:30
Complete a campaign mission or a match of multiplayer.
Unlocked: 17 Oct 2015 17:41:09
Life Story
30Complete the Master Chief Saga playlist.
Unlocked: 17 Oct 2015 17:07:14
Complete one cross-game playlist.
Unlocked: 17 Oct 2015 17:07:14
Halo 3: Listen to the story of the Final Grunt.
Unlocked: 21 Mar 2016 15:02:09
Halo 3: Find the poster of the missing man.
Unlocked: 21 Mar 2016 14:44:25
Halo 3: This stuff is your history!
Unlocked: 21 Mar 2016 14:40:34
Halo 3: Destined for greatness.
Unlocked: 21 Mar 2016 14:34:18
Flipyap
5Halo 3: Listen to the tale of a young Grunt named Flipyap.
Unlocked: 21 Mar 2016 14:10:19
Halo 3: Find a lonely missing link.
Unlocked: 21 Mar 2016 13:35:45
Primate
5Halo 3: Find your first missing links.
Unlocked: 21 Mar 2016 13:31:33
Halo 3: Watching. Waiting. Plotting.
Unlocked: 21 Mar 2016 13:20:06
Halo 3: Trigger the hidden music cue in Halo 3.
Unlocked: 21 Mar 2016 13:09:18
Halo 3: On Tsavo Highway, complete the level without entering a vehicle.
Unlocked: 21 Mar 2016 12:57:59
Halo 3: View the communique from Mendicant Bias.
Unlocked: 21 Mar 2016 12:34:07
Halo 3: Activate Terminal 6 on The Covenant.
Unlocked: 21 Mar 2016 12:27:26
Halo 3: Activate all Halo 3 Terminals.
Unlocked: 21 Mar 2016 12:27:26
Halo 3: Activate Terminal 7 on Halo.
Unlocked: 21 Mar 2016 12:13:46
Halo 3: Find and claim the Mythic Skull.
Unlocked: 21 Mar 2016 12:12:05
Witch Doctor
20Halo 3: Find and claim all Skulls in Halo 3.
Unlocked: 21 Mar 2016 12:12:05
Halo 3: Activate Cortana's Terminal on Cortana.
Unlocked: 21 Mar 2016 12:06:39
Halo 3: Find and claim the Tilt Skull.
Unlocked: 21 Mar 2016 12:05:41
Halo 3: Find and claim the IWHBYD Skull.
Unlocked: 21 Mar 2016 11:55:38
Halo 3: Activate Terminal 5 on The Covenant.
Unlocked: 21 Mar 2016 11:21:56
Halo 3: Find and claim the Thunderstorm Skull.
Unlocked: 21 Mar 2016 11:20:45
Halo 3: Activate Terminal 4 on The Covenant.
Unlocked: 21 Mar 2016 10:51:45
Halo 3: Find and claim the Cowbell Skull.
Unlocked: 21 Mar 2016 10:35:06
Halo 3: Activate Terminal 3 on The Ark.
Unlocked: 21 Mar 2016 10:26:07
Halo 3: Activate Terminal 2 on The Ark.
Unlocked: 21 Mar 2016 09:54:02
Halo 3: Find and claim the Famine Skull.
Unlocked: 21 Mar 2016 09:32:47
Halo 3: Activate Terminal 1 on The Ark.
Unlocked: 21 Mar 2016 09:27:40
Halo 3: Find and claim the Fog Skull.
Unlocked: 21 Mar 2016 09:20:02
Halo 3: Find and claim the Catch Skull.
Unlocked: 21 Mar 2016 09:14:33
Halo 3: Find and claim the Tough Luck Skull.
Unlocked: 21 Mar 2016 09:04:36
Halo 3: Find and claim the Grunt Birthday Party Skull.
Unlocked: 20 Mar 2016 22:24:36
Halo 3: Find and claim the Black Eye Skull.
Unlocked: 20 Mar 2016 22:10:15
Halo 3: Find and claim the Iron Skull.
Unlocked: 20 Mar 2016 22:08:04
Elder Signs
10Halo 3: View 2 different sigils on Valhalla.
Unlocked: 20 Mar 2016 20:24:36
Halo 3: He's watching you.
Unlocked: 20 Mar 2016 17:47:11
Halo 3: Who DARED to discard this brave animal?
Unlocked: 20 Mar 2016 17:42:02
Halo 3: Complete a match on at least 4 different game types in multiplayer.
Unlocked: 20 Mar 2016 12:18:21
Halo 3: Find the hidden Skull on the Heretic multiplayer map.
Unlocked: 20 Mar 2016 12:00:16
Brainpan
10Halo 3: Find all the hidden multiplayer Skulls.
Unlocked: 20 Mar 2016 12:00:16
Halo 3: Find the hidden Skull on the Citadel multiplayer map.
Unlocked: 20 Mar 2016 11:58:34
Halo 3: Find the hidden Skull on the Sandbox multiplayer map.
Unlocked: 20 Mar 2016 11:54:04
Halo 3: Find the hidden Skull on the Orbital multiplayer map.
Unlocked: 20 Mar 2016 11:48:05
Halo 3: Find the hidden Skull on the Assembly multiplayer map.
Unlocked: 20 Mar 2016 11:44:44
Halo 3: Destroy 3 total Phantoms on The Covenant.
Unlocked: 17 Mar 2016 01:34:39
Afficiando
20Halo 3: Complete three Halo 3 playlists.
Unlocked: 16 Mar 2016 12:14:03
Halo 3: Complete a match on at least 8 different multiplayer maps.
Unlocked: 29 Jan 2016 22:36:27
Halo 3: Find the hidden Skull on the Longshore multilayer map.
Unlocked: 28 Jan 2016 19:50:39
Scarab Slide
10Halo 3: Beat the par time on The Covenant.
Unlocked: 10 Jan 2016 20:04:25
Speed Demon
20Halo 3: Beat the par time on all Halo 3 levels.
Unlocked: 10 Jan 2016 20:04:25
Waypoint
10Halo 3: Beat the par time on The Ark.
Unlocked: 10 Jan 2016 19:46:15
Annual
10Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.
Unlocked: 10 Jan 2016 19:19:34
Torchbearer
10Halo 3: Beat the par score on Halo.
Unlocked: 10 Jan 2016 17:26:14
Halo 3: Beat the par score on every Halo 3 level.
Unlocked: 10 Jan 2016 17:26:14
Mind the Gap
10Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.
Unlocked: 10 Jan 2016 16:58:45
Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.
Unlocked: 10 Jan 2016 16:31:36
Exterminator
10Halo 3: Beat the par score on Floodgate.
Unlocked: 10 Jan 2016 15:24:35
Devastating
30Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.
Unlocked: 10 Jan 2016 01:35:33
Return
10Halo 3: Complete Halo.
Unlocked: 10 Jan 2016 01:34:40
Halo 3: Beat the par time on Halo.
Unlocked: 10 Jan 2016 01:34:40
Halo 3: Complete every level of the game on Normal difficulty.
Unlocked: 10 Jan 2016 01:34:40
Halo 3: Complete every level of the game on Heroic difficulty.
Unlocked: 10 Jan 2016 01:34:40
Halo 3: Complete every level of the game on Legendary difficulty.
Unlocked: 10 Jan 2016 01:34:40
Halo 3: Complete every level of the game on Easy difficulty.
Unlocked: 10 Jan 2016 01:34:40
The Key
10Halo 3: Complete Cortana.
Unlocked: 10 Jan 2016 00:52:20
Halo 3: Beat the par time on Cortana.
Unlocked: 10 Jan 2016 00:52:20
Orpheus
10Halo 3: Beat the par score on Cortana.
Unlocked: 10 Jan 2016 00:52:20
Last Stand
10Halo 3: Complete The Covenant.
Unlocked: 10 Jan 2016 00:31:08
Vanguard
10Halo 3: Beat the par score on The Covenant.
Unlocked: 10 Jan 2016 00:31:08
Refuge
10Halo 3: Complete The Ark.
Unlocked: 10 Jan 2016 00:02:01
Ranger
10Halo 3: Beat the par score on The Ark.
Unlocked: 10 Jan 2016 00:02:01
Cleansing
10Halo 3: Complete Floodgate.
Unlocked: 09 Jan 2016 23:36:25
Dambuster
10Halo 3: Beat the par time on Floodgate.
Unlocked: 09 Jan 2016 23:36:25
Halo 3: Beat the par time on The Storm.
Unlocked: 09 Jan 2016 23:30:35
Time Shift
10Halo 3: Beat the par time on Crow's Nest.
Unlocked: 09 Jan 2016 22:56:10
Halo 3: Beat the par time on Sierra 117.
Unlocked: 09 Jan 2016 22:39:01
Halo 3: Play a game of Halo 3 on the 25th of any month.
Unlocked: 25 Oct 2015 20:22:03
Assault
10Halo 3: Complete The Storm.
Unlocked: 18 Oct 2015 18:59:24
Askar
10Halo 3: Beat the par score on The Storm.
Unlocked: 18 Oct 2015 18:59:24
The Road
10Halo 3: Complete Tsavo Highway.
Unlocked: 18 Oct 2015 18:33:35
Halo 3: Beat the par time on Tsavo Highway.
Unlocked: 18 Oct 2015 18:33:35
Cavalier
10Halo 3: Beat the par score on Tsavo Highway.
Unlocked: 18 Oct 2015 18:33:35
Holdout
10Halo 3: Complete Crow's Nest.
Unlocked: 18 Oct 2015 17:38:49
Halo 3: Beat the par score on Crow's Nest.
Unlocked: 18 Oct 2015 17:38:49
Landfall
10Halo 3: Complete Sierra 117.
Unlocked: 18 Oct 2015 17:13:46
Guerilla
10Halo 3: Beat the par score on Sierra 117.
Unlocked: 18 Oct 2015 17:13:46
Halo 3: Find and claim the Blind Skull.
Unlocked: 17 Oct 2015 21:03:12
Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.
Unlocked: 17 Oct 2015 20:49:53
Halo 3: Complete the Halo 3 LASO Campaign playlist.
Unlocked: 17 Oct 2015 18:08:30
Halo 3: Complete a Halo 3 playlist.
Unlocked: 17 Oct 2015 18:08:30
Mortardom
10Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.
Unlocked: 21 Mar 2016 21:13:14
Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.
Unlocked: 21 Mar 2016 20:46:11
Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.
Unlocked: 21 Mar 2016 20:36:27
Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.
Unlocked: 21 Mar 2016 20:25:40
Cryptum
5Halo 4: Activate Terminal 7 on Midnight.
Unlocked: 21 Mar 2016 18:30:33
Terminus
20Halo 4: Activate all Halo 4 Terminals.
Unlocked: 21 Mar 2016 18:30:33
Justice
5Halo 4: Activate Terminal 6 on Composer.
Unlocked: 21 Mar 2016 18:20:39
Knights
5Halo 4: Activate Terminal 5 on Shutdown.
Unlocked: 21 Mar 2016 18:15:49
Halo 4: Activate Terminal 3 on Infinity.
Unlocked: 21 Mar 2016 17:52:02
War
5Halo 4: Activate Terminal 1 on Requiem.
Unlocked: 21 Mar 2016 17:49:57
Halo 4: What do Marines know about sticks?
Unlocked: 21 Mar 2016 15:12:28
Halo 4: Access the Master Chief's records on Dawn.
Unlocked: 21 Mar 2016 15:08:15
Taste Test
10Halo 4: Complete a match on at least 4 different game types in multiplayer.
Unlocked: 20 Mar 2016 12:22:32
Halo 4: Why are you even here?
Unlocked: 20 Mar 2016 11:41:50
Exodus
10Halo 4: Complete all chapters in Spartan Ops Episode 10.
Unlocked: 20 Mar 2016 01:52:26
Feet First
10Halo 4: Complete all Spartan Ops chapters.
Unlocked: 20 Mar 2016 01:52:26
Halo 4: Complete all Spartan Ops chapters on Normal difficulty.
Unlocked: 20 Mar 2016 01:52:26
Hazard Pay
20Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.
Unlocked: 20 Mar 2016 01:52:26
Icarus
30Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.
Unlocked: 20 Mar 2016 01:52:26
Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.
Unlocked: 20 Mar 2016 01:52:26
Key
10Halo 4: Complete all chapters in Spartan Ops Episode 9.
Unlocked: 19 Mar 2016 20:36:51
Expendable
10Halo 4: Complete all chapters in Spartan Ops Episode 8.
Unlocked: 19 Mar 2016 17:53:52
Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.
Unlocked: 18 Mar 2016 21:00:14
Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.
Unlocked: 18 Mar 2016 20:50:44
Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.
Unlocked: 18 Mar 2016 20:26:17
Invasion
10Halo 4: Complete all chapters in Spartan Ops Episode 7.
Unlocked: 18 Mar 2016 18:23:03
Scattered
10Halo 4: Complete all chapters in Spartan Ops Episode 6.
Unlocked: 18 Mar 2016 15:51:07
Memento Mori
10Halo 4: Complete all chapters in Spartan Ops Episode 5.
Unlocked: 18 Mar 2016 02:38:17
Halo 4: Complete all chapters in Spartan Ops Episode 4.
Unlocked: 17 Mar 2016 23:27:44
Catherine
10Halo 4: Complete all chapters in Spartan Ops Episode 3.
Unlocked: 17 Mar 2016 19:23:16
Halo 4: Assassinate a Knight in any Spartan Ops mission.
Unlocked: 17 Mar 2016 16:41:01
Artifact
10Halo 4: Complete all chapters in Spartan Ops Episode 2.
Unlocked: 17 Mar 2016 15:44:08
Departure
10Halo 4: Complete all chapters in Spartan Ops Episode 1.
Unlocked: 17 Mar 2016 13:26:36
Halo 4: Complete a Spartan Ops mission.
Unlocked: 17 Mar 2016 02:25:11
Devotee
20Halo 4: Complete three Halo 4 playlists.
Unlocked: 16 Mar 2016 21:04:24
Halo 4: Complete every level of the game on Legendary difficulty, by yourself.
Unlocked: 16 Mar 2016 01:44:00
Ouroboros
10Halo 4: Beat the par time on Infinity.
Unlocked: 15 Mar 2016 23:02:42
Halo 4: Beat the par time on all Halo 4 levels.
Unlocked: 15 Mar 2016 23:02:42
Halo 4: Beat the par time on Forerunner.
Unlocked: 15 Mar 2016 22:35:35
Interloper
10Halo 4: Beat the par time on Requiem.
Unlocked: 15 Mar 2016 22:12:22
Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.
Unlocked: 15 Mar 2016 21:33:51
Halo 4: Beat the par score on Requiem.
Unlocked: 15 Mar 2016 20:39:57
Halo 4: Beat the par score on every Halo 4 level.
Unlocked: 15 Mar 2016 20:39:57
Gunslinger
10Halo 4: Beat the par score on Dawn.
Unlocked: 15 Mar 2016 20:19:31
Halo 4: Complete a match on at least 8 different multiplayer maps.
Unlocked: 29 Feb 2016 11:13:55
Countdown
10Halo 4: Beat the par time on Midnight.
Unlocked: 11 Jan 2016 22:23:22
Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.
Unlocked: 11 Jan 2016 22:01:05
Midnight
10Halo 4: Complete Midnight.
Unlocked: 11 Jan 2016 21:59:50
Halo 4: Beat the par score on Midnight.
Unlocked: 11 Jan 2016 21:59:50
Halo 4: Complete every level of the game on Normal difficulty.
Unlocked: 11 Jan 2016 21:59:50
Halo 4: Complete every level of the game on Heroic difficulty.
Unlocked: 11 Jan 2016 21:59:50
Halo 4: Complete every level of the game on Legendary difficulty.
Unlocked: 11 Jan 2016 21:59:50
Halo 4: Complete every level of the game on Easy difficulty.
Unlocked: 11 Jan 2016 21:59:50
Composer
10Halo 4: Complete Composer.
Unlocked: 11 Jan 2016 21:22:09
Halo 4: Beat the par time on Composer.
Unlocked: 11 Jan 2016 21:22:09
Head Banging
10Halo 4: Beat the par score on Composer.
Unlocked: 11 Jan 2016 21:22:09
Halo 4: Beat the par score on Shutdown.
Unlocked: 11 Jan 2016 20:45:34
Shutdown
10Halo 4: Complete Shutdown.
Unlocked: 11 Jan 2016 20:24:08
Halo 4: Beat the par time on Shutdown.
Unlocked: 11 Jan 2016 20:24:08
Halo 4: Trick or force a Hunter to fall to its demise on Shutdown.
Unlocked: 11 Jan 2016 20:19:46
Gimme That
10Halo 4: Beat the par time on Reclaimer.
Unlocked: 10 Jan 2016 23:03:04
Flood
5Halo 4: Activate Terminal 4 on Reclaimer.
Unlocked: 10 Jan 2016 23:00:56
Reclaimer
10Halo 4: Complete Reclaimer.
Unlocked: 10 Jan 2016 22:38:45
Halo 4: Beat the par score on Reclaimer.
Unlocked: 10 Jan 2016 22:38:45
Infinity
10Halo 4: Complete Infinity.
Unlocked: 10 Jan 2016 22:01:01
Halo 4: Beat the par score on Infinity.
Unlocked: 10 Jan 2016 22:01:01
Forerunner
10Halo 4: Complete Forerunner.
Unlocked: 10 Jan 2016 21:34:19
Halo 4: Beat the par score on Forerunner.
Unlocked: 10 Jan 2016 21:34:19
Halo 4: Activate Terminal 2 on Forerunner.
Unlocked: 10 Jan 2016 21:15:29
Halo 4: Play a game of Halo 4 on the 6th of any month.
Unlocked: 06 Jan 2016 16:50:00
Requiem
10Halo 4: Complete Requiem.
Unlocked: 18 Oct 2015 15:32:52
Dawn
10Halo 4: Complete Dawn.
Unlocked: 17 Oct 2015 21:45:18
Halo 4: Beat the par time on Dawn.
Unlocked: 17 Oct 2015 21:45:18
Naked Tyrant
30Halo 4: Complete the Halo 4 LASO Campaign playlist.
Unlocked: 17 Oct 2015 17:06:03
Halo 4: Complete a Halo 4 playlist.
Unlocked: 17 Oct 2015 17:06:03
Wetwork
5Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.
Unlocked: 20 Mar 2016 20:11:44
Bombing Run
10Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.
Unlocked: 20 Mar 2016 20:05:19
Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.
Unlocked: 20 Mar 2016 19:57:05
Top Gungoose
10Halo 2A MP: Get a kill with the Gungoose while airborne.
Unlocked: 20 Mar 2016 19:55:41
Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.
Unlocked: 20 Mar 2016 19:28:00
Halo 2A MP: Get 30 kills with the Hornet in multiplayer.
Unlocked: 20 Mar 2016 19:12:44
Red vs. Blue
10Halo 2A MP: Win 10 matches on Bloodline in multiplayer.
Unlocked: 20 Mar 2016 18:55:08
Power Play
10Halo 2A MP: On Warlord, get every center powerup that becomes available in a single game.
Unlocked: 20 Mar 2016 18:31:55
BLASTacular!
10Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.
Unlocked: 20 Mar 2016 18:24:39
Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.
Unlocked: 20 Mar 2016 18:24:39
Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.
Unlocked: 20 Mar 2016 18:20:38
Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.
Unlocked: 20 Mar 2016 18:16:16
Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.
Unlocked: 20 Mar 2016 18:12:05
Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.
Unlocked: 20 Mar 2016 18:06:30
Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.
Unlocked: 20 Mar 2016 18:02:55
Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.
Unlocked: 20 Mar 2016 17:24:43
Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.
Unlocked: 20 Mar 2016 17:14:46
Zealot
10Halo 2A MP: Win 10 multiplayer games as an Elite.
Unlocked: 20 Mar 2016 16:58:31
Tourist
10Halo 2: Complete a match on at least 8 different classic multiplayer maps.
Unlocked: 18 Mar 2016 18:55:02
Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.
Unlocked: 05 Mar 2016 02:59:55
Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.
Unlocked: 05 Mar 2016 02:40:21
Tour of Duty
10Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.
Unlocked: 05 Mar 2016 02:36:19
Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.
Unlocked: 05 Mar 2016 02:36:01
Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.
Unlocked: 05 Mar 2016 02:31:16
Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.
Unlocked: 05 Mar 2016 02:02:52
Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.
Unlocked: 05 Mar 2016 01:28:56
Halo 2: View this hidden message on the classic Beaver Creek map.
Unlocked: 05 Mar 2016 01:25:01
Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.
Unlocked: 05 Mar 2016 01:22:44
Halo 2: View the smiling face in the classic multiplayer map Coagulation.
Unlocked: 05 Mar 2016 01:21:31
Halo 2: Listen to a hidden music cue in Halo 2.
Unlocked: 05 Mar 2016 01:05:27
Halo 2: Kill 7 opponents from behind in a row without being spotted.
Unlocked: 05 Mar 2016 00:54:35
Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.
Unlocked: 03 Mar 2016 20:19:02
Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.
Unlocked: 03 Mar 2016 19:21:23
Halo 2: Beat the par score on The Great Journey.
Unlocked: 02 Mar 2016 13:06:44
Arcade Owner
20Halo 2: Beat the par score on every Halo 2 level.
Unlocked: 02 Mar 2016 13:06:44
Halo 2: Beat the par score on High Charity.
Unlocked: 02 Mar 2016 11:40:42
Halo 2: Beat the par score on Uprising.
Unlocked: 02 Mar 2016 10:55:51
Halo 2: Beat the par score on Quarantine Zone.
Unlocked: 01 Mar 2016 16:56:27
Halo 2: Beat the par score on The Oracle.
Unlocked: 01 Mar 2016 15:09:09
Halo 2: Find and claim the Black Eye Skull.
Unlocked: 01 Mar 2016 14:30:34
Halo 2: Find and claim all Skulls in Halo 2.
Unlocked: 01 Mar 2016 14:30:34
Halo 2: Collect the Didact toy in The Great Journey.
Unlocked: 01 Mar 2016 14:29:20
Toybox
20Halo 2: Collect all eight Halo toys.
Unlocked: 01 Mar 2016 14:29:20
Obsessed
5Halo 2: Activate Terminal 13 on The Great Journey.
Unlocked: 01 Mar 2016 14:14:10
Halo 2: Activate all Halo 2 Terminals.
Unlocked: 01 Mar 2016 14:14:10
Reviewer
5Halo 2: Activate Terminal 12 on High Charity.
Unlocked: 29 Feb 2016 20:57:48
Halo 2: Collect the Rampant Cortana toy in High Charity.
Unlocked: 29 Feb 2016 20:53:26
Halo 2: Find and claim the Ghost Skull.
Unlocked: 29 Feb 2016 19:32:23
Scholar
5Halo 2: Activate Terminal 11 on Uprising.
Unlocked: 29 Feb 2016 19:31:21
Halo 2: Collect the Librarian toy in Uprising.
Unlocked: 29 Feb 2016 19:13:31
Halo 2: Listen to the Cowardly Grunt's woes.
Unlocked: 29 Feb 2016 18:29:13
Halo 2: Find and claim the Anger Skull.
Unlocked: 29 Feb 2016 18:07:19
Halo 2: Collect the Cortana toy in Gravemind.
Unlocked: 29 Feb 2016 18:07:09
Halo 2: Activate Terminal 10 on Gravemind.
Unlocked: 29 Feb 2016 18:05:14
Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.
Unlocked: 29 Feb 2016 15:05:39
Halo 2: Collect the Tartarus toy in Quarantine Zone.
Unlocked: 29 Feb 2016 14:58:44
Halo 2: Activate Terminal 9 on Quarantine Zone.
Unlocked: 29 Feb 2016 14:47:59
Halo 2: Drive a Scorpion while playing as the Arbiter.
Unlocked: 29 Feb 2016 14:44:17
Halo 2: Find and claim the Sputnik Skull.
Unlocked: 29 Feb 2016 14:40:19
Halo 2: Activate Terminal 8 on Sacred Icon.
Unlocked: 29 Feb 2016 14:30:47
Halo 2: Find and claim the Mythic Skull.
Unlocked: 29 Feb 2016 14:23:35
Halo 2: Collect the Arbiter toy in Sacred Icon.
Unlocked: 29 Feb 2016 14:03:29
Enamored
5Halo 2: Activate Terminal 7 on Regret.
Unlocked: 29 Feb 2016 13:47:38
Halo 2: Find and claim the Assassins Skull.
Unlocked: 29 Feb 2016 13:37:23
Halo 2A MP: Get 25 melee kills in multiplayer.
Unlocked: 29 Feb 2016 11:33:02
Halo 2: Collect the Prophet of Regret toy in Regret.
Unlocked: 29 Jan 2016 16:26:03
HI BEN
5Halo 2: Oh, hi!
Unlocked: 29 Jan 2016 16:20:23
Halo 2: Find and claim the Envy Skull.
Unlocked: 29 Jan 2016 16:02:59
Halo 2: Collect the Master Chief toy in Delta Halo.
Unlocked: 29 Jan 2016 15:55:49
Halo 2: Activate Terminal 6 on Delta Halo.
Unlocked: 29 Jan 2016 15:45:37
Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.
Unlocked: 29 Jan 2016 15:20:14
Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.
Unlocked: 29 Jan 2016 15:00:14
Halo 2: Find and claim the Famine Skull.
Unlocked: 29 Jan 2016 14:54:34
Halo 2: Activate Terminal 5 on The Oracle.
Unlocked: 29 Jan 2016 14:53:20
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.
Unlocked: 27 Jan 2016 22:04:40
Halo 2A MP: Kill an opponent by detonating a Fusion Coil.
Unlocked: 27 Jan 2016 16:30:33
Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.
Unlocked: 27 Jan 2016 16:02:14
Cold as Ice
10Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.
Unlocked: 27 Jan 2016 15:14:55
Halo 2: Activate Terminal 4 on The Arbiter.
Unlocked: 26 Jan 2016 16:23:45
Halo 2: Find and claim the Grunt Birthday Party Skull.
Unlocked: 26 Jan 2016 16:10:57
Examiner
5Halo 2: Activate Terminal 3 on Metropolis.
Unlocked: 26 Jan 2016 15:17:52
E E E
5Halo 2: View both signs in the level Metropolis.
Unlocked: 26 Jan 2016 15:16:15
Halo 2: Find and claim the Catch Skull.
Unlocked: 26 Jan 2016 15:09:20
Halo 2: Shoot the soccer ball in the level Metropolis.
Unlocked: 26 Jan 2016 14:48:34
Scarab Lord
20Halo 2: Acquire the Scarab Gun.
Unlocked: 26 Jan 2016 14:46:50
Guided Tour
10Halo 2: Beat the par score on Sacred Icon.
Unlocked: 26 Jan 2016 13:28:43
Halo 2: Beat the par score on Regret.
Unlocked: 26 Jan 2016 11:10:14
Boundless
10Halo 2: Beat the par score on Delta Halo.
Unlocked: 26 Jan 2016 10:38:59
Connoisseur
20Halo 2: Complete three Halo 2 playlists.
Unlocked: 25 Jan 2016 19:41:07
Halo 2: Beat the par score on The Arbiter.
Unlocked: 25 Jan 2016 14:43:15
Ripple Fire
10Halo 2: Beat the par score on Metropolis.
Unlocked: 25 Jan 2016 13:30:08
Commuter
10Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.
Unlocked: 25 Jan 2016 13:30:08
Halo 2: Beat the par score on Outskirts.
Unlocked: 25 Jan 2016 00:04:24
Bomb Squad
10Halo 2: Beat the par score on Cairo Station.
Unlocked: 24 Jan 2016 23:25:09
Halo 2: Complete a match on at least 4 different game types in classic multiplayer.
Unlocked: 24 Jan 2016 15:43:19
Shields Up!
10Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.
Unlocked: 24 Jan 2016 15:06:43
Ninja Redux
10Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.
Unlocked: 24 Jan 2016 15:04:34
Halo 2: Beat the par time on Regret.
Unlocked: 24 Jan 2016 13:10:30
Halo 2: Beat par time on all Halo 2 levels.
Unlocked: 24 Jan 2016 13:10:30
Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.
Unlocked: 24 Jan 2016 13:10:30
Halo 2: Activate Terminal 2 on Outskirts.
Unlocked: 09 Jan 2016 15:42:35
Halo 2: Find and claim the IWHBYD Skull.
Unlocked: 09 Jan 2016 15:21:59
Rex Sword
10Halo 2: Grab the energy sword on the level Outskirts.
Unlocked: 09 Jan 2016 12:09:18
Halo 2: Find and claim the Blind Skull.
Unlocked: 09 Jan 2016 12:04:55
Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.
Unlocked: 09 Jan 2016 12:02:46
Halo 2: Find and claim the Thunderstorm Skull.
Unlocked: 09 Jan 2016 11:51:13
Curious
5Halo 2: Activate Terminal 1 on Cairo Station.
Unlocked: 09 Jan 2016 11:49:05
Halo 2: She's not picking up.
Unlocked: 09 Jan 2016 11:32:08
Halo 2: Find and claim the That's Just...Wrong Skull.
Unlocked: 09 Jan 2016 00:32:59
Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.
Unlocked: 09 Jan 2016 00:24:37
Monopolized
30Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.
Unlocked: 26 Oct 2015 19:36:11
Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.
Unlocked: 26 Oct 2015 19:32:37
Halo 2: Beat the par score on Gravemind.
Unlocked: 26 Oct 2015 19:20:23
Warrior
10Halo 2: Complete every level of the game on Normal difficulty.
Unlocked: 26 Oct 2015 19:20:23
Hero
20Halo 2: Complete every level of the game on Heroic difficulty.
Unlocked: 26 Oct 2015 19:20:23
Halo 2: Complete every level of the game on Legendary difficulty.
Unlocked: 26 Oct 2015 19:20:23
Halo 2: Kill an enraged, berserk Brute using melee.
Unlocked: 26 Oct 2015 18:28:12
Halo 2: Complete The Great Journey.
Unlocked: 26 Oct 2015 15:15:06
Halo 2: Beat the par time on The Great Journey.
Unlocked: 26 Oct 2015 15:15:06
Halo 2: Complete every level of the game on Easy difficulty.
Unlocked: 26 Oct 2015 15:15:06
High Charity
10Halo 2: Complete High Charity.
Unlocked: 25 Oct 2015 22:17:39
Halo 2: Beat the par time on High Charity.
Unlocked: 25 Oct 2015 22:17:39
Halo 2: Find and claim the Iron Skull.
Unlocked: 25 Oct 2015 22:15:45
Halo 2: Complete Quarantine Zone.
Unlocked: 25 Oct 2015 20:18:42
Hot Zone
10Halo 2: Beat the par time on Quarantine Zone.
Unlocked: 25 Oct 2015 20:18:42
Sacred Icon
10Halo 2: Complete Sacred Icon.
Unlocked: 25 Oct 2015 19:01:42
Halo 2: Beat the par time on Sacred Icon.
Unlocked: 25 Oct 2015 19:01:42
Delta Halo
10Halo 2: Complete Delta Halo.
Unlocked: 25 Oct 2015 17:47:18
Halo 2: Beat the par time on Delta Halo.
Unlocked: 25 Oct 2015 17:47:18
Oracle
10Halo 2: Complete The Oracle.
Unlocked: 25 Oct 2015 16:31:21
Halo 2: Beat the par time on The Oracle.
Unlocked: 25 Oct 2015 16:31:21
The Arbiter
10Halo 2: Complete The Arbiter.
Unlocked: 25 Oct 2015 13:47:28
YOLO Strats
10Halo 2: Beat the par time on The Arbiter.
Unlocked: 25 Oct 2015 13:47:28
Halo 2: Fly the Heretic Banshee.
Unlocked: 25 Oct 2015 13:46:47
Metropolis
10Halo 2: Complete Metropolis.
Unlocked: 25 Oct 2015 12:28:54
Halo 2: Beat the par time on Metropolis.
Unlocked: 25 Oct 2015 12:28:54
Outskirts
10Halo 2: Complete Outskirts.
Unlocked: 25 Oct 2015 00:15:17
Halo 2: Beat the par time on Outskirts.
Unlocked: 25 Oct 2015 00:15:17
Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.
Unlocked: 24 Oct 2015 23:23:47
Halo 2: Complete Cairo Station.
Unlocked: 24 Oct 2015 23:11:55
Halo 2: Beat the par time on Cairo Station.
Unlocked: 24 Oct 2015 23:11:55
Regret
10Halo 2: Complete Regret.
Unlocked: 24 Oct 2015 20:18:58
MVP
10Halo 2A MP: Finished as the top player on the winning team in a matchmade game.
Unlocked: 22 Oct 2015 21:53:48
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.
Unlocked: 22 Oct 2015 21:53:46
Double Down
10Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.
Unlocked: 22 Oct 2015 21:32:33
Halo 2A MP: Get awarded at least 10 different medals in one non-team multiplayer game.
Unlocked: 22 Oct 2015 21:32:19
Warden
10Halo 2A MP: In Anniversary matchmaking, stop the killing spree of another player.
Unlocked: 22 Oct 2015 21:31:57
Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.
Unlocked: 22 Oct 2015 21:31:57
Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.
Unlocked: 22 Oct 2015 21:31:57
H2A: Found and destroyed the BLAST soda can on Remnant..
Unlocked: 19 Oct 2015 00:27:38
Gravemind
10Halo 2: Complete Gravemind.
Unlocked: 17 Oct 2015 18:36:18
Halo 2: Beat the par time on Gravemind.
Unlocked: 17 Oct 2015 18:36:18
Uprising
10Halo 2: Complete Uprising.
Unlocked: 17 Oct 2015 18:16:49
Halo 2: Beat the par time on Uprising.
Unlocked: 17 Oct 2015 18:16:49
Demon
10Halo 2: Complete any campaign level without dying on Normal or harder.
Unlocked: 17 Oct 2015 18:16:49
Seconds
10Halo 2: Complete a Halo 2 playlist.
Unlocked: 17 Oct 2015 17:08:36
Halo 2: Complete the LASO campaign playlist.
Unlocked: 17 Oct 2015 17:08:36
Sightseeing
10Halo CE: Complete a match on at least 8 different classic multiplayer maps.
Unlocked: 20 Mar 2016 12:15:52
Halo CE: Complete a match on at least 4 unique game types.
Unlocked: 20 Mar 2016 12:10:16
Halo CE: Play Halo: CE on the 15th of any month.
Unlocked: 15 Feb 2016 20:21:44
Airborne
10Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.
Unlocked: 26 Jan 2016 00:27:39
Headstrong
10Halo CE: Beat the par score on Keyes.
Unlocked: 25 Jan 2016 23:01:43
Overachiever
20Halo CE: Beat the par score on all Halo: CE levels.
Unlocked: 25 Jan 2016 23:01:43
Halo CE: Beat the par score on 343 Guilty Spark.
Unlocked: 25 Jan 2016 15:42:41
Halo CE: Play a CTF custom game on Blood Gulch with 4 players on the same console. Tri-tip optional.
Unlocked: 24 Jan 2016 12:12:43
Vetro Strike
10Halo CE: Beat the par score on Assault on the Control Room.
Unlocked: 10 Jan 2016 14:50:49
Charted
10Halo CE: Beat the par score on The Silent Cartographer.
Unlocked: 09 Jan 2016 20:43:56
Halo CE: Beat the par score on Halo.
Unlocked: 09 Jan 2016 19:51:17
This Side Up
10Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.
Unlocked: 09 Jan 2016 00:10:45
T-Rex
10Halo CE: Find the hidden Rex sign on The Maw.
Unlocked: 09 Jan 2016 00:06:21
Halo CE: Listen to the Thirsty Grunt talk about his eating habits.
Unlocked: 09 Jan 2016 00:00:53
Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.
Unlocked: 08 Jan 2016 23:51:30
Headhunter
20Halo CE: Find and claim all Skulls in Halo: CE.
Unlocked: 08 Jan 2016 23:51:30
Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.
Unlocked: 08 Jan 2016 18:54:22
Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.
Unlocked: 08 Jan 2016 16:54:45
Halo CE: Activate Terminal 9 on Keyes.
Unlocked: 08 Jan 2016 16:53:26
Halo CE: Activate all Halo: CE Terminals.
Unlocked: 08 Jan 2016 16:53:26
Halo CE: Find and claim the Pinata skull in remastered mode.
Unlocked: 08 Jan 2016 15:44:34
Memories
5Halo CE: Activate Terminal 8 on Two Betrayals.
Unlocked: 08 Jan 2016 14:53:40
Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.
Unlocked: 08 Jan 2016 14:28:50
Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.
Unlocked: 08 Jan 2016 14:28:50
Halo CE: Find and claim the Black Eye skull in remastered mode.
Unlocked: 08 Jan 2016 12:29:18
Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
Unlocked: 08 Jan 2016 00:38:52
Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.
Unlocked: 08 Jan 2016 00:38:16
Halo CE: Find and claim the Eye Patch skull in remastered mode.
Unlocked: 08 Jan 2016 00:37:00
Halo CE: Activate Terminal 7 on The Library.
Unlocked: 08 Jan 2016 00:24:44
Halo CE: Activate Terminal 6 on 343 Guilty Spark.
Unlocked: 07 Jan 2016 23:34:56
Halo CE: Find and claim the Recession skull in remastered mode.
Unlocked: 07 Jan 2016 22:50:37
Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.
Unlocked: 07 Jan 2016 22:47:47
Halo CE: Activate Terminal 5 on Assault on the Control Room.
Unlocked: 07 Jan 2016 18:59:50
Halo CE: Trigger a hidden music cue in Halo: CE.
Unlocked: 07 Jan 2016 18:59:17
Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.
Unlocked: 07 Jan 2016 18:42:30
Halo CE: Find and claim the Malfunction skull in remastered mode.
Unlocked: 07 Jan 2016 18:38:46
Halo CE: Find and claim the Fog skull in remastered mode.
Unlocked: 07 Jan 2016 18:21:42
Halo CE: Find and claim the Bandanna skull in remastered mode.
Unlocked: 07 Jan 2016 17:25:56
Halo CE: Kill a Hunter with one pistol round.
Unlocked: 07 Jan 2016 17:18:19
Halo CE: Find and claim the Famine skull in remastered mode.
Unlocked: 07 Jan 2016 17:14:44
Pacifist
10Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.
Unlocked: 06 Jan 2016 18:56:41
Halo CE: Activate Terminal 4 on The Silent Cartographer.
Unlocked: 06 Jan 2016 18:33:13
Halo CE: Find and claim the Foreign skull in remastered mode.
Unlocked: 06 Jan 2016 17:16:35
Beachhead
10Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.
Unlocked: 06 Jan 2016 00:47:55
Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.
Unlocked: 06 Jan 2016 00:26:45
Halo CE: Complete Halo without entering a vehicle.
Unlocked: 05 Jan 2016 23:48:36
No-Fly Zone
10Halo CE: Destroy three of the four Banshees on Halo during a single play-through.
Unlocked: 05 Jan 2016 23:36:10
Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.
Unlocked: 05 Jan 2016 23:03:38
Walk It Off
10Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.
Unlocked: 05 Jan 2016 23:03:38
Megg
10Halo CE: It's a sign.
Unlocked: 05 Jan 2016 22:33:51
Halo CE: Complete a level without jumping.
Unlocked: 05 Jan 2016 22:22:30
Halo CE: Complete three Halo: CE playlists.
Unlocked: 05 Jan 2016 21:27:30
Halo CE: Activate Terminal 10 on The Maw.
Unlocked: 05 Jan 2016 20:56:49
Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Unlocked: 05 Jan 2016 20:36:11
Halo CE: Beat the par time on Two Betrayals.
Unlocked: 19 Oct 2015 18:29:31
Halo CE: Beat par time on all Halo: CE levels.
Unlocked: 19 Oct 2015 18:29:31
Halo CE: Beat the par time on The Truth and Reconciliation.
Unlocked: 19 Oct 2015 18:11:10
Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.
Unlocked: 19 Oct 2015 18:11:10
Halo CE: Beat the par time on Halo.
Unlocked: 19 Oct 2015 17:55:19
Goat Roped
30Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.
Unlocked: 19 Oct 2015 17:19:23
The Maw
10Halo CE: Complete The Maw.
Unlocked: 19 Oct 2015 17:18:49
Halo CE: Beat the par time on The Maw.
Unlocked: 19 Oct 2015 17:18:49
Halo CE: Beat the par score on The Maw.
Unlocked: 19 Oct 2015 17:18:49
Halo CE: Complete every level of the game on Normal difficulty.
Unlocked: 19 Oct 2015 17:18:49
Halo CE: Complete every level of the game on Heroic difficulty.
Unlocked: 19 Oct 2015 17:18:49
Halo CE: Complete every level of the game on Legendary difficulty.
Unlocked: 19 Oct 2015 17:18:49
Greenhorn
10Halo CE: Complete every level of the game on Easy difficulty.
Unlocked: 19 Oct 2015 17:18:49
Keyes
10Halo CE: Complete Keyes.
Unlocked: 19 Oct 2015 17:02:23
Scurty Bump
10Halo CE: Beat the par time on Keyes.
Unlocked: 19 Oct 2015 17:02:23
Halo CE: Complete Two Betrayals.
Unlocked: 19 Oct 2015 16:53:12
Halo CE: Beat the par score on Two Betrayals.
Unlocked: 19 Oct 2015 16:53:12
The Library
10Halo CE: Complete The Library.
Unlocked: 19 Oct 2015 16:16:30
TLDR
10Halo CE: Beat the par time on The Library.
Unlocked: 19 Oct 2015 16:16:30
Reading Room
10Halo CE: Beat the par score on The Library.
Unlocked: 19 Oct 2015 16:16:30
Halo CE: Complete 343 Guilty Spark.
Unlocked: 19 Oct 2015 15:45:29
Halo CE: Beat the par time on 343 Guilty Spark.
Unlocked: 19 Oct 2015 15:45:29
Halo CE: Complete Assault on the Control Room.
Unlocked: 19 Oct 2015 15:27:27
Halo CE: Beat the par time on Assault on the Control Room.
Unlocked: 19 Oct 2015 15:27:27
Halo CE: Beat the par time on The Silent Cartographer.
Unlocked: 19 Oct 2015 15:19:15
Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.
Unlocked: 19 Oct 2015 15:19:15
Halo CE: Complete The Truth and Reconciliation.
Unlocked: 19 Oct 2015 15:03:06
Halo CE: Beat the par score on The Truth and Reconciliation.
Unlocked: 19 Oct 2015 15:03:06
Halo
10Halo CE: Complete Halo.
Unlocked: 19 Oct 2015 14:36:03
Halo CE: Beat the par score on The Pillar of Autumn.
Unlocked: 19 Oct 2015 13:55:04
Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
Unlocked: 19 Oct 2015 13:54:12
Halo CE: Complete The Silent Cartographer.
Unlocked: 18 Oct 2015 12:30:11
Halo CE: Find and claim the Boom skull in remastered mode.
Unlocked: 17 Oct 2015 19:10:09
Halo CE: Activate Terminal 2 on Halo.
Unlocked: 17 Oct 2015 19:04:32
Halo CE: Find and claim the Mythic skull in remastered mode.
Unlocked: 17 Oct 2015 18:52:29
Halo CE: Find and claim the Iron skull in remastered mode.
Unlocked: 17 Oct 2015 17:55:48
Halo CE: Complete The Pillar of Autumn.
Unlocked: 17 Oct 2015 17:41:09
Halo CE: Beat the par time on The Pillar of Autumn.
Unlocked: 17 Oct 2015 17:41:09
Arrival
5Halo CE: Activate Terminal 1 on The Pillar of Autumn.
Unlocked: 17 Oct 2015 17:29:48
Halo CE: Complete a Halo: CE playlist.
Unlocked: 17 Oct 2015 17:03:55
Halo CE: Complete the Halo: CE LASO Campaign playlist.
Unlocked: 17 Oct 2015 17:03:55
H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.
Unlocked: 15 Mar 2016 12:57:16
Shiny...
10H3: ODST: Pilot a Banshee on Kizingo Boulevard.
Unlocked: 15 Mar 2016 12:55:19
Fast and Low
10H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.
Unlocked: 15 Mar 2016 12:34:51
H3: ODST: Beat the par score on Kikowani Station.
Unlocked: 15 Mar 2016 03:17:52
H3: ODST: Beat par score on all Halo 3: ODST levels.
Unlocked: 15 Mar 2016 03:17:52
H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.
Unlocked: 15 Mar 2016 01:53:10
H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.
Unlocked: 15 Mar 2016 01:26:36
H3: ODST: Is there a toy inside?
Unlocked: 15 Mar 2016 00:39:52
H3: ODST: Find a legendary hidden music cue.
Unlocked: 15 Mar 2016 00:25:41
Trifecta
20H3: ODST: Complete three Halo 3: ODST playlists.
Unlocked: 15 Mar 2016 00:11:58
H3: ODST: Kill 25 Engineers.
Unlocked: 14 Mar 2016 23:11:07
H3: ODST: Kill 10 Engineers.
Unlocked: 14 Mar 2016 20:37:13
Pour It On
10H3: ODST: Beat the par score on NMPD HQ.
Unlocked: 14 Mar 2016 19:50:13
H3: ODST: Destroy 5 Phantoms on NMPD HQ.
Unlocked: 14 Mar 2016 18:49:52
H3: ODST: Complete any level without dying on Heroic or Legendary.
Unlocked: 28 Jan 2016 19:31:52
Firefly
10H3: ODST: Kill a Drone with a flame grenade on Data Hive.
Unlocked: 28 Jan 2016 18:48:57
H3: ODST: Destroy a Wraith…with your bare hands.
Unlocked: 28 Jan 2016 18:15:33
Fowl Hunt
10H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.
Unlocked: 28 Jan 2016 18:07:18
H3: ODST: Assassinate 3 Brutes in a row on Data Hive.
Unlocked: 28 Jan 2016 17:54:02
H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.
Unlocked: 28 Jan 2016 17:50:05
Classic
20H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.
Unlocked: 28 Jan 2016 17:43:20
One Got Away
10H3: ODST: View the missing link.
Unlocked: 28 Jan 2016 16:36:55
Vandalized
10H3: ODST: Face it.
Unlocked: 28 Jan 2016 16:28:05
H3: ODST: Beat the par score on Uplift Reserve.
Unlocked: 28 Jan 2016 15:27:24
H3: ODST: Beat the par time on Kizingo Blvd.
Unlocked: 28 Jan 2016 14:57:08
H3: ODST: Beat par time on all Halo 3: ODST levels.
Unlocked: 28 Jan 2016 14:57:08
H3: ODST: Beat the par time on Tayari Plaza.
Unlocked: 28 Jan 2016 14:43:40
H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.
Unlocked: 22 Oct 2015 20:59:54
H3: ODST: Complete a Halo 3: ODST LASO Campaign playlist.
Unlocked: 21 Oct 2015 19:43:09
H3: ODST: Beat the par score on Coastal Highway.
Unlocked: 19 Oct 2015 23:32:52
Déjà Vu
20H3: ODST: Complete Coastal Highway on 4-player Legendary co-op, with Iron, and no 'Hog or Scorpion.
Unlocked: 19 Oct 2015 23:03:20
Floor It!
10H3: ODST: Beat the par time on Uplift Reserve.
Unlocked: 19 Oct 2015 19:22:03
NEXT!
10H3: ODST: Complete a Halo 3: ODST playlist.
Unlocked: 19 Oct 2015 00:01:18
H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.
Unlocked: 18 Oct 2015 23:57:48
H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.
Unlocked: 18 Oct 2015 23:15:01
Rookie
10H3: ODST: Complete every level of the game on Easy difficulty.
Unlocked: 18 Oct 2015 23:12:32
H3: ODST: Complete every level of the game on Normal difficulty.
Unlocked: 18 Oct 2015 23:12:32
H3: ODST: Complete every level of the game on Heroic difficulty.
Unlocked: 18 Oct 2015 23:12:32
H3: ODST: Complete every level of the game on Legendary difficulty.
Unlocked: 18 Oct 2015 23:12:32
H3: ODST: Complete Coastal Highway.
Unlocked: 18 Oct 2015 23:12:32
Double Time!
10H3: ODST: Beat the par time on Coastal Highway.
Unlocked: 18 Oct 2015 23:12:32
Data Hive
10H3: ODST: Complete Data Hive.
Unlocked: 18 Oct 2015 22:44:58
H3: ODST: Beat the par time on Data Hive.
Unlocked: 18 Oct 2015 22:44:58
Magic Touch
10H3: ODST: Beat the par score on Data Hive.
Unlocked: 18 Oct 2015 22:44:58
H3: ODST: Complete Kikowani Station.
Unlocked: 18 Oct 2015 22:27:12
H3: ODST: Beat the par time on Kikowani Station.
Unlocked: 18 Oct 2015 22:27:12
Secret Agent
10H3: ODST: Find the 6th clue unraveling the mystery.
Unlocked: 18 Oct 2015 22:21:03
NMPD HQ
10H3: ODST: Complete NMPD HQ.
Unlocked: 18 Oct 2015 22:17:36
H3: ODST: Beat the par time on NMPD HQ.
Unlocked: 18 Oct 2015 22:17:36
H3: ODST: Kill 4 enemies with a single plasma or frag grenade.
Unlocked: 18 Oct 2015 22:07:51
Private Eye
10H3: ODST: Find the 5th clue unraveling the mystery.
Unlocked: 18 Oct 2015 22:00:39
H3: ODST: Complete ONI Alpha Site.
Unlocked: 18 Oct 2015 21:55:39
H3: ODST: Beat the par time on ONI Alpha Site.
Unlocked: 18 Oct 2015 21:55:39
H3: ODST: Beat the par score on ONI Alpha Site.
Unlocked: 18 Oct 2015 21:55:39
H3: ODST: Earn a Triple Kill medal with the pistol on any level.
Unlocked: 18 Oct 2015 21:48:50
Bloodhound
10H3: ODST: Find the 4th clue unraveling the mystery.
Unlocked: 18 Oct 2015 21:15:27
H3: ODST: Complete Kizingo Blvd.
Unlocked: 18 Oct 2015 21:08:53
Son of a Gun
10H3: ODST: Beat the par score on Kizingo Blvd.
Unlocked: 18 Oct 2015 21:08:53
Gumshoe
10H3: ODST: Find the 3rd clue unraveling the mystery.
Unlocked: 18 Oct 2015 20:54:28
H3: ODST: Complete Uplift Reserve.
Unlocked: 18 Oct 2015 20:47:08
Investigator
10H3: ODST: Find the 2nd clue to unraveling the mystery.
Unlocked: 18 Oct 2015 01:15:11
Tayari Plaza
10H3: ODST: Complete Tayari Plaza.
Unlocked: 18 Oct 2015 01:10:05
H3: ODST: Beat the par score on Tayari Plaza.
Unlocked: 18 Oct 2015 01:10:05
One Way Ride
20H3: ODST: Complete any level without using a health pack on Heroic or Legendary.
Unlocked: 18 Oct 2015 01:10:03
H3: ODST: Complete any level without activating VISR mode.
Unlocked: 18 Oct 2015 01:10:03
Xenophobia
10H3: ODST: Complete any level without using Covenant weapons.
Unlocked: 18 Oct 2015 01:10:03
H3: ODST: I've got my eye on you, Marine.
Unlocked: 18 Oct 2015 00:58:25
H3: ODST: Find the 1st clue to unraveling the mystery.
Unlocked: 18 Oct 2015 00:56:31
Audiophile
10H3: ODST: Find the 30th Audio Log.
Unlocked: 17 Oct 2015 23:36:07
H3: ODST: Find all 30 Audio Logs.
Unlocked: 17 Oct 2015 23:36:07
H3: ODST: Find the 29th Audio Log.
Unlocked: 17 Oct 2015 23:32:15
H3: ODST: Find the 28th Audio Log.
Unlocked: 17 Oct 2015 23:30:55
H3: ODST: Find the 27th Audio Log.
Unlocked: 17 Oct 2015 23:28:43
H3: ODST: Find the 26th Audio Log.
Unlocked: 17 Oct 2015 23:27:24
H3: ODST: Find the 25th Audio Log.
Unlocked: 17 Oct 2015 23:25:23
H3: ODST: Find the 24th Audio Log.
Unlocked: 17 Oct 2015 23:23:00
Spotter
5H3: ODST: Find the 23rd Audio Log.
Unlocked: 17 Oct 2015 23:21:46
H3: ODST: Find the 22nd Audio Log.
Unlocked: 17 Oct 2015 23:19:46
Scout
5H3: ODST: Find the 21st Audio Log.
Unlocked: 17 Oct 2015 23:17:40
H3: ODST: Find the 20th Audio Log.
Unlocked: 17 Oct 2015 23:15:26
Watchful
5H3: ODST: Find the 19th Audio Log.
Unlocked: 17 Oct 2015 23:13:57
H3: ODST: Find the 18th Audio Log.
Unlocked: 17 Oct 2015 23:11:14
H3: ODST: Find the 17th Audio Log.
Unlocked: 17 Oct 2015 23:08:54
H3: ODST: Find the 16th Audio Log.
Unlocked: 17 Oct 2015 23:08:07
All Ears
5H3: ODST: Find the 15th Audio Log.
Unlocked: 17 Oct 2015 23:04:22
H3: ODST: Find the 14th Audio Log.
Unlocked: 17 Oct 2015 23:03:12
H3: ODST: Find the 13th Audio Log.
Unlocked: 17 Oct 2015 23:00:54
H3: ODST: Find the 12th Audio Log.
Unlocked: 17 Oct 2015 22:58:24
H3: ODST: Find the 11th Audio Log.
Unlocked: 17 Oct 2015 22:54:50
H3: ODST: Find the 10th Audio Log.
Unlocked: 17 Oct 2015 22:49:28
H3: ODST: Find the 9th Audio Log.
Unlocked: 17 Oct 2015 22:46:35
H3: ODST: Find the 8th Audio Log.
Unlocked: 17 Oct 2015 22:41:55
Auditor
5H3: ODST: Find the 7th Audio Log.
Unlocked: 17 Oct 2015 22:37:19
H3: ODST: Find the 6th Audio Log.
Unlocked: 17 Oct 2015 22:35:38
H3: ODST: Find the 5th Audio Log.
Unlocked: 17 Oct 2015 22:33:22
Do Tell
5H3: ODST: Find the 4th Audio Log.
Unlocked: 17 Oct 2015 22:31:29
Tuned In
5H3: ODST: Find the 3rd Audio Log.
Unlocked: 17 Oct 2015 22:29:16
H3: ODST: Find the 2nd Audio Log.
Unlocked: 17 Oct 2015 22:27:58
Listener
5H3: ODST: Find the 1st Audio Log.
Unlocked: 17 Oct 2015 22:24:22
Halo: Reach: Complete Winter Contingency.
No Picnic
10Halo: Reach: Observe a grizzly scene on New Alexandria.
Halo: Reach: Complete ONI: Sword Base.
Halo: Reach: Complete Nightfall.
To War
10Halo: Reach: Complete Tip of the Spear.
Halo: Reach: Complete Long Night of Solace.
Halo: Reach: Complete Exodus.
Halo: Reach: Complete New Alexandria.
Halo: Reach: Complete The Package.
Halo: Reach: Complete The Pillar of Autumn.
Halo: Reach: Complete every level of the game on Easy difficulty.
Halo: Reach: Complete every level of the game on Normal difficulty.
Halo: Reach: Complete every level of the game on Heroic difficulty.
Halo: Reach: Complete every level of the game on Legendary difficulty.
Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself.
Halo: Reach: Beat the par time on Winter Contingency.
Halo: Reach: Beat the par time on ONI: Sword Base.
Halo: Reach: Beat the par time on Nightfall.
Halo: Reach: Beat the par time on Tip of the Spear.
Halo: Reach: Beat the par time on Long Night of Solace.
Halo: Reach: Beat the par time on Exodus.
Halo: Reach: Beat the par time on New Alexandria.
Halo: Reach: Beat the par time on The Package.
Halo: Reach: Beat the par time on The Pillar of Autumn.
Fast Fall
20Halo: Reach: Beat par time on all Halo: Reach levels.
Halo: Reach: Beat the par score on Winter Contingency.
Still Sharp
10Halo: Reach: Beat the par score on ONI: Sword Base.
Halo: Reach: Beat the par score on Nightfall.
Halo: Reach: Beat the par score on Tip of the Spear.
Insomnia
10Halo: Reach: Beat the par score on Long Night of Solace.
Halo: Reach: Beat the par score on Exodus.
Halo: Reach: Beat the par score on New Alexandria.
Halo: Reach: Beat the par score on The Package.
Halo: Reach: Beat the par score on The Pillar of Autumn.
Halo: Reach: Beat the par score on every Halo: Reach level.
Halo: Reach: Kill 100 Skirmishers.
Halo: Reach: Kill 1000 Skirmishers.
Halo: Reach: Kill 7 Moa during Winter Contingency.
Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.
Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace.
Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.
Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.
Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.
Halo: Reach: Finish The Package on Legendary with the Scorpion intact.
Halo: Reach: Hijack a Banshee during the Reach Campaign.
Halo: Reach: Flip the switches to become a Reach Racer!
Halo: Reach: Party with the DJ Brute.
Halo: Reach: Listen to a hidden music cue.
Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.
Halo: Reach: Find me in the club.
Halo: Reach: Now that's a value meal.
Halo: Reach: Encounter the hidden marines on Exodus.
Halo: Reach: Find the hidden Banshees on The Package.
Halo: Reach: Find your way into Halsey's Lab on The Package.
Halo: Reach: Find Data Pad 1 on Winter Contingency.
Halo: Reach: Find Data Pad 2 on ONI: Sword Base.
Halo: Reach: Find Data Pad 3 on Nightfall.
Halo: Reach: Find Data Pad 4 on Tip Of The Spear.
Halo: Reach: Find Data Pad 5 on Long Night Of Solace.
Halo: Reach: Find Data Pad 6 on Exodus.
Halo: Reach: Find Data Pad 7 on New Alexandria.
Halo: Reach: Find Data Pad 8 on The Package.
Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn.
Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty.
Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty.
Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty.
Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty.
Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty.
Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty.
Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty.
Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty.
Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty.
Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty.
Halo: Reach: Find all Data Pads.
Halo: Reach: Complete the Halo: Reach LASO Campaign playlist.
Halo: Reach: Complete a Halo: Reach playlist.
Halo: Reach: Complete three Halo: Reach playlists.
Halo: Reach: Play a game of Halo: Reach on the 14th of any month.
Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.
Halo: Reach: Complete a Firefight set on Normal or harder.
Halo: Reach: Get a Skullamanjaro in a matchmade Headhunter game.
Skunked
10Halo: Reach: Won a matchmade game of Invasion in the 1st phase.
Halo: Reach: Pad on the run.
Left Behind
10Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.
Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.
Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.
Halo: Reach: Use a Pelican turret.
Halo: Reach: Find the hidden binary signature.
Halo: Reach: Splatter an enemy using the forklift.
Halo: Reach: Create a custom map using Forge World.
Halo: Reach: Complete 10 assassinations on enemy players.
Halo: Reach: Headshot 10 enemies while they are sprinting.
Game Breaker
10Halo: Reach: Kill 10 enemies while using a Jetpack.
Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).
Halo: Reach: Complete Exodus without using any armour abilities.
Halo: Reach: Trigger a humorous callout on your HUD's position indicator.
Halo: Reach: See, he IS in the game!
Halo: Reach: Observe the logo of a buttoned-up mining company.
Halo: Reach: Access hidden UNSC radio chatter.
Halo: Reach: Hear a familiar voice on New Alexandria.