Change your Spartan's pose in the Spartan ID card.
Unlocked: 16 Dec 2012 06:24:39
Upload a File to your File Share.
Unlocked: 16 Dec 2012 06:23:59
Save at least one Marine in Chapter 3 of Episode 2 of Spartan Ops on Heroic or harder.
Unlocked: 16 Dec 2012 06:21:48
Complete all chapters in any 5 episodes of Spartan Ops on any difficulty.
Unlocked: 16 Dec 2012 01:53:07
Bromageddon
40Complete the Campaign cooperatively on Heroic or harder.
Unlocked: 16 Dec 2012 01:00:36
In mission 8, kill 3 Crawlers in one hit with the Gravity Hammer.
Unlocked: 16 Dec 2012 00:46:07
Complete mission 4 without one preventable Marine death on Heroic or harder.
Unlocked: 15 Dec 2012 23:02:24
Terminus
50Find all of the Terminals in the Campaign.
Unlocked: 15 Dec 2012 22:17:16
In mission 3, carry a UNSC weapon all the way through on Heroic or harder.
Unlocked: 15 Dec 2012 04:39:46
Bropocalypse
10Complete any Campaign mission cooperatively on Heroic or harder.
Unlocked: 15 Dec 2012 02:26:14
In mission 1, find and access Chief's record.
Unlocked: 15 Dec 2012 02:10:19
In Ch 1, Ep 5 of Spartan Ops survive the enemy assault during the defense on Normal or harder.
Unlocked: 14 Dec 2012 01:10:27
Complete Chapter 4, Episode 5 of Spartan Ops without losing a generator on Heroic or harder.
Unlocked: 13 Dec 2012 00:38:21
Complete 25 Challenges.
Unlocked: 13 Dec 2012 00:35:15
Complete all chapters in Spartan Ops Episode 1 on Legendary difficulty.
Unlocked: 10 Dec 2012 03:02:31
Create and save a Custom Game type in War Games.
Unlocked: 10 Dec 2012 01:01:09
Create and save a Custom Map in Forge.
Unlocked: 10 Dec 2012 00:57:58
In mission 6, trick or force a Hunter to fall to his demise.
Unlocked: 10 Dec 2012 00:54:17
Midnight
10Complete mission 8 on any difficulty.
Unlocked: 10 Dec 2012 00:20:33
Complete the Campaign on Normal or harder.
Unlocked: 10 Dec 2012 00:20:33
Complete the Campaign on Heroic or harder.
Unlocked: 10 Dec 2012 00:20:33
Complete the Campaign on Legendary difficulty.
Unlocked: 10 Dec 2012 00:20:33
Complete the Campaign solo on Legendary difficulty.
Unlocked: 10 Dec 2012 00:20:33
Win 20 War Games matchmaking matches.
Unlocked: 09 Dec 2012 23:41:18
Composer
10Complete mission 7 on any difficulty.
Unlocked: 09 Dec 2012 01:52:14
In Mission 7, in solo Campaign, take out both Hunters using only the Sticky Detonator.
Unlocked: 09 Dec 2012 00:50:07
Shutdown
10Complete mission 6 on any difficulty.
Unlocked: 08 Dec 2012 22:31:14
Reclaimer
10Complete mission 5 on any difficulty.
Unlocked: 08 Dec 2012 03:20:03
Mortardom
20In mission 5, steal a Wraith and use it to kill at least four enemy Wraiths on Heroic or harder.
Unlocked: 08 Dec 2012 02:18:41
In mission 2, get significant air in the Warthog at midnight.
Unlocked: 07 Dec 2012 02:57:56
Infinity
10Complete mission 4 on any difficulty.
Unlocked: 03 Dec 2012 02:09:34
Forerunner
10Complete mission 3 on any difficulty.
Unlocked: 02 Dec 2012 18:44:16
Save a Screenshot from the Theater.
Unlocked: 28 Nov 2012 02:01:12
Requiem
10Complete mission 2 on any difficulty.
Unlocked: 27 Nov 2012 03:14:36
Find a Terminal in the Campaign.
Unlocked: 27 Nov 2012 03:11:24
Movin' On Up
25Rank up your Spartan-IV to SR-20.
Unlocked: 26 Nov 2012 00:03:54
Win 5 War Games matchmaking matches.
Unlocked: 24 Nov 2012 03:14:41
Dawn
10Complete mission 1 on any difficulty.
Unlocked: 24 Nov 2012 01:41:55
Skullduggery
15Complete any Campaign mission with 3 or more Skulls on Heroic or harder.
Unlocked: 24 Nov 2012 01:41:55
Armorer
5Change your Spartan's armor in the Spartan Armor card.
Unlocked: 23 Nov 2012 02:53:07
Assassinate a Knight in any Spartan Ops mission.
Unlocked: 21 Nov 2012 01:19:52
Find one of the RvB Easter Eggs in Episodes 1 to 5 of Spartan Ops.
Unlocked: 21 Nov 2012 01:07:34
Complete a Spartan Ops chapter solo on Legendary.
Unlocked: 20 Nov 2012 18:53:59
Rank up your Spartan-IV to SR-5.
Unlocked: 20 Nov 2012 18:38:54
Complete a Challenge.
Unlocked: 20 Nov 2012 18:38:54
Save a Film Clip from the Theater.
Unlocked: 20 Nov 2012 02:33:27
Complete a Spartan Ops Mission on any difficulty.
Unlocked: 20 Nov 2012 01:51:30
Badge
5Change your Emblem in the Spartan ID card.
Unlocked: 18 Nov 2012 23:43:27
PWND
5Change your Service Tag in the Spartan ID card.
Unlocked: 18 Nov 2012 23:42:49
ODST
30In Crimson DLC matchmaking, kill a player while airborne from a Man Cannon.
Unlocked: 16 Dec 2012 05:52:39
Clay Pigeon
40In Crimson DLC matchmaking, shoot an enemy who’s airborne from a Man Cannon.
Unlocked: 16 Dec 2012 05:52:39
In Crimson DLC matchmaking, kill an enemy with melee when landing from a Man Cannon.
Unlocked: 16 Dec 2012 05:52:39
In Crimson DLC matchmaking, get a kill while airborne in a Warthog.
Unlocked: 16 Dec 2012 05:39:00
In Crimson DLC matchmaking, kill 20 enemies with a detached Machine Gun Turret.
Unlocked: 16 Dec 2012 05:29:42
In Crimson DLC matchmaking, score the killing blow on a Mantis.
Unlocked: 16 Dec 2012 05:11:22
Bigfoot
20In Crimson DLC matchmaking, kill 20 enemies using the Mantis' stomp attack.
Unlocked: 16 Dec 2012 05:09:31
In Crimson DLC matchmaking, board an enemy Mantis.
Unlocked: 16 Dec 2012 04:51:06
In Majestic DLC matchmaking, call in 3 ordnance drops during the same game.
Unlocked: 27 Feb 2013 01:23:54
Clever Girl
10In Majestic DLC matchmaking, kill 5 enemies while Active Camo is active.
Unlocked: 27 Feb 2013 01:20:11
Bird of Prey
50In Majestic DLC matchmaking, perform 5 'airsassinations.'
Unlocked: 27 Feb 2013 01:13:39
Pigs Can Fly
30In Majestic DLC matchmaking, kill 3 enemies while they are using Jet Packs.
Unlocked: 27 Feb 2013 01:07:12
In Majestic DLC matchmaking, perform a melee kill right after using Thrust Pack.
Unlocked: 27 Feb 2013 01:05:27
I See You!
10In Majestic DLC matchmaking, kill 5 enemies while Promethean Vision is active.
Unlocked: 27 Feb 2013 01:00:06
In Majestic DLC matchmaking, assassinate an enemy who's in zoom mode.
Unlocked: 27 Feb 2013 00:56:09
In Majestic DLC matchmaking, get a Double Kill or higher with one Pulse Grenade.
Unlocked: 27 Feb 2013 00:55:49
In Majestic DLC matchmaking, get the 'Close Call' medal twice during one match.
Unlocked: 27 Feb 2013 00:54:24
In Majestic DLC matchmaking, get 4 kills using the SAW without dying.
Unlocked: 27 Feb 2013 00:43:36
Sight Seeing
20In Castle DLC matchmaking, complete a match in any mode for each Castle map.
Unlocked: 09 Apr 2013 03:15:19
Dodge This!
20In Castle DLC matchmaking, get two direct Spartan Laser kills in one match.
Unlocked: 09 Apr 2013 03:03:56
In Castle DLC matchmaking, disintegrate 6 enemies using Forerunner weapons.
Unlocked: 09 Apr 2013 02:51:27
Scrapyard
30In Castle DLC matchmaking, destroy 2 vehicles during a single game.
Unlocked: 09 Apr 2013 02:50:37
In Castle DLC matchmaking, disable a vehicle and then hijack it.
Unlocked: 09 Apr 2013 02:48:52
Hello Nurse!
30In Castle DLC matchmaking, heal a near-death teammate with Regen Field 5 times.
Unlocked: 09 Apr 2013 02:44:21
In Castle DLC matchmaking, perform 5 melee kills in a single match.
Unlocked: 09 Apr 2013 02:36:28
In Castle DLC matchmaking, kill 5 enemies during a match by running them over.
Unlocked: 09 Apr 2013 02:33:39
In Castle DLC matchmaking, assassinate an enemy who is using a Hardlight Shield.
Unlocked: 09 Apr 2013 02:31:58
Shocking
10In Bullseye DLC matchmaking, activate both electrical surge systems during a match on Vertigo.
Unlocked: 22 Aug 2013 02:13:53
In matchmaking, effectively camp one location without dying for a full 60 seconds.
Unlocked: 22 Aug 2013 02:08:09
In matchmaking, recover full shields from low health with both Resistor and Recharge active.
Unlocked: 22 Aug 2013 01:59:07
One Man Army
27In matchmaking, get four consecutive kills with the Rocket Launcher without dying.
Unlocked: 22 Aug 2013 01:58:04
Got it!
20In Bullseye DLC matchmaking, acquire the Rocket Launcher at the start of a match on Pitfall.
Unlocked: 22 Aug 2013 01:55:07
In matchmaking, score a goal in Ricochet while taking damage with the Resistor active.
Unlocked: 22 Aug 2013 01:53:21
Hat Trick
33In matchmaking, score three times in one round of Ricochet.
Unlocked: 22 Aug 2013 01:53:20
In matchmaking, score by throwing the ball from 30 meters in Ricochet.
Unlocked: 22 Aug 2013 01:50:21