Complete 25 Challenges.
Unlocked: 05 Apr 2015 20:17:43
In mission 2, get significant air in the Warthog at midnight.
Unlocked: 28 Mar 2015 07:00:15
Mortardom
20In mission 5, steal a Wraith and use it to kill at least four enemy Wraiths on Heroic or harder.
Unlocked: 27 Mar 2015 22:46:26
In mission 8, kill 3 Crawlers in one hit with the Gravity Hammer.
Unlocked: 27 Mar 2015 22:21:34
Complete all chapters in Spartan Ops Episode 1 on Legendary difficulty.
Unlocked: 27 Mar 2015 22:09:21
In Mission 7, in solo Campaign, take out both Hunters using only the Sticky Detonator.
Unlocked: 27 Mar 2015 06:41:45
Complete the Campaign on Legendary difficulty.
Unlocked: 26 Mar 2015 09:58:44
Complete the Campaign solo on Legendary difficulty.
Unlocked: 26 Mar 2015 09:58:44
In mission 3, carry a UNSC weapon all the way through on Heroic or harder.
Unlocked: 25 Mar 2015 23:58:32
Complete mission 4 without one preventable Marine death on Heroic or harder.
Unlocked: 25 Mar 2015 23:29:33
In mission 6, trick or force a Hunter to fall to his demise.
Unlocked: 24 Mar 2015 03:49:13
Win 20 War Games matchmaking matches.
Unlocked: 24 Mar 2015 03:17:26
Find one of the RvB Easter Eggs in Episodes 1 to 5 of Spartan Ops.
Unlocked: 24 Mar 2015 02:05:45
Complete Chapter 4, Episode 5 of Spartan Ops without losing a generator on Heroic or harder.
Unlocked: 24 Mar 2015 02:02:38
Save at least one Marine in Chapter 3 of Episode 2 of Spartan Ops on Heroic or harder.
Unlocked: 24 Mar 2015 01:50:43
In Ch 1, Ep 5 of Spartan Ops survive the enemy assault during the defense on Normal or harder.
Unlocked: 24 Mar 2015 01:26:27
Complete all chapters in any 5 episodes of Spartan Ops on any difficulty.
Unlocked: 24 Mar 2015 00:48:33
Movin' On Up
25Rank up your Spartan-IV to SR-20.
Unlocked: 23 Mar 2015 23:45:06
Assassinate a Knight in any Spartan Ops mission.
Unlocked: 20 Mar 2015 23:47:06
Bromageddon
40Complete the Campaign cooperatively on Heroic or harder.
Unlocked: 20 Mar 2015 01:39:00
Complete the Campaign on Heroic or harder.
Unlocked: 20 Mar 2015 01:38:58
Complete the Campaign on Normal or harder.
Unlocked: 20 Mar 2015 01:38:56
Midnight
10Complete mission 8 on any difficulty.
Unlocked: 20 Mar 2015 01:38:55
Terminus
50Find all of the Terminals in the Campaign.
Unlocked: 20 Mar 2015 01:18:57
Composer
10Complete mission 7 on any difficulty.
Unlocked: 20 Mar 2015 01:09:42
Shutdown
10Complete mission 6 on any difficulty.
Unlocked: 20 Mar 2015 00:48:18
Reclaimer
10Complete mission 5 on any difficulty.
Unlocked: 20 Mar 2015 00:33:28
Infinity
10Complete mission 4 on any difficulty.
Unlocked: 19 Mar 2015 23:05:08
Forerunner
10Complete mission 3 on any difficulty.
Unlocked: 19 Mar 2015 22:25:06
Requiem
10Complete mission 2 on any difficulty.
Unlocked: 19 Mar 2015 22:05:55
Find a Terminal in the Campaign.
Unlocked: 19 Mar 2015 22:05:07
Bropocalypse
10Complete any Campaign mission cooperatively on Heroic or harder.
Unlocked: 19 Mar 2015 21:48:09
Skullduggery
15Complete any Campaign mission with 3 or more Skulls on Heroic or harder.
Unlocked: 19 Mar 2015 21:48:08
Dawn
10Complete mission 1 on any difficulty.
Unlocked: 19 Mar 2015 21:48:07
In mission 1, find and access Chief's record.
Unlocked: 19 Mar 2015 21:37:22
Complete a Spartan Ops chapter solo on Legendary.
Unlocked: 19 Mar 2015 20:44:27
Complete a Spartan Ops Mission on any difficulty.
Unlocked: 19 Mar 2015 20:44:26
Win 5 War Games matchmaking matches.
Unlocked: 19 Mar 2015 08:45:24
Create and save a Custom Game type in War Games.
Unlocked: 19 Mar 2015 08:31:33
Create and save a Custom Map in Forge.
Unlocked: 19 Mar 2015 08:27:51
Change your Spartan's pose in the Spartan ID card.
Unlocked: 19 Mar 2015 08:26:23
PWND
5Change your Service Tag in the Spartan ID card.
Unlocked: 19 Mar 2015 08:26:10
Badge
5Change your Emblem in the Spartan ID card.
Unlocked: 19 Mar 2015 08:25:54
Armorer
5Change your Spartan's armor in the Spartan Armor card.
Unlocked: 19 Mar 2015 08:25:37
Upload a File to your File Share.
Unlocked: 19 Mar 2015 08:24:27
Save a Film Clip from the Theater.
Unlocked: 19 Mar 2015 08:21:51
Save a Screenshot from the Theater.
Unlocked: 19 Mar 2015 08:21:26
Rank up your Spartan-IV to SR-5.
Unlocked: 19 Mar 2015 01:54:14
Complete a Challenge.
Unlocked: 19 Mar 2015 01:36:29
Clay Pigeon
40In Crimson DLC matchmaking, shoot an enemy who’s airborne from a Man Cannon.
Unlocked: 19 Mar 2015 01:49:11
In Crimson DLC matchmaking, kill an enemy with melee when landing from a Man Cannon.
Unlocked: 19 Mar 2015 01:49:11
In Crimson DLC matchmaking, get a kill while airborne in a Warthog.
Unlocked: 19 Mar 2015 01:49:10
In Crimson DLC matchmaking, kill 20 enemies with a detached Machine Gun Turret.
Unlocked: 19 Mar 2015 01:49:10
ODST
30In Crimson DLC matchmaking, kill a player while airborne from a Man Cannon.
Unlocked: 19 Mar 2015 01:49:10
In Crimson DLC matchmaking, score the killing blow on a Mantis.
Unlocked: 19 Mar 2015 01:43:52
In Crimson DLC matchmaking, board an enemy Mantis.
Unlocked: 19 Mar 2015 01:43:45
Bigfoot
20In Crimson DLC matchmaking, kill 20 enemies using the Mantis' stomp attack.
Unlocked: 19 Mar 2015 01:37:13
I See You!
10In Majestic DLC matchmaking, kill 5 enemies while Promethean Vision is active.
Unlocked: 19 Mar 2015 03:05:37
Clever Girl
10In Majestic DLC matchmaking, kill 5 enemies while Active Camo is active.
Unlocked: 19 Mar 2015 03:05:37
In Majestic DLC matchmaking, get a Double Kill or higher with one Pulse Grenade.
Unlocked: 19 Mar 2015 03:05:37
In Majestic DLC matchmaking, get 4 kills using the SAW without dying.
Unlocked: 19 Mar 2015 03:05:37
Pigs Can Fly
30In Majestic DLC matchmaking, kill 3 enemies while they are using Jet Packs.
Unlocked: 19 Mar 2015 03:05:37
In Majestic DLC matchmaking, perform a melee kill right after using Thrust Pack.
Unlocked: 19 Mar 2015 03:05:37
In Majestic DLC matchmaking, get the 'Close Call' medal twice during one match.
Unlocked: 19 Mar 2015 03:05:36
In Majestic DLC matchmaking, call in 3 ordnance drops during the same game.
Unlocked: 19 Mar 2015 02:53:10
Bird of Prey
50In Majestic DLC matchmaking, perform 5 'airsassinations.'
Unlocked: 19 Mar 2015 02:45:11
In Majestic DLC matchmaking, assassinate an enemy who's in zoom mode.
Unlocked: 19 Mar 2015 02:43:35
In Castle DLC matchmaking, assassinate an enemy who is using a Hardlight Shield.
Unlocked: 19 Mar 2015 02:29:57
In Castle DLC matchmaking, disintegrate 6 enemies using Forerunner weapons.
Unlocked: 19 Mar 2015 02:29:57
Sight Seeing
20In Castle DLC matchmaking, complete a match in any mode for each Castle map.
Unlocked: 19 Mar 2015 02:29:57
Scrapyard
30In Castle DLC matchmaking, destroy 2 vehicles during a single game.
Unlocked: 19 Mar 2015 02:29:57
Hello Nurse!
30In Castle DLC matchmaking, heal a near-death teammate with Regen Field 5 times.
Unlocked: 19 Mar 2015 02:29:56
In Castle DLC matchmaking, perform 5 melee kills in a single match.
Unlocked: 19 Mar 2015 02:29:31
In Castle DLC matchmaking, disable a vehicle and then hijack it.
Unlocked: 19 Mar 2015 02:26:33
In Castle DLC matchmaking, kill 5 enemies during a match by running them over.
Unlocked: 19 Mar 2015 02:23:50
Dodge This!
20In Castle DLC matchmaking, get two direct Spartan Laser kills in one match.
Unlocked: 19 Mar 2015 02:16:13
In matchmaking, recover full shields from low health with both Resistor and Recharge active.
Unlocked: 19 Mar 2015 04:20:28
In matchmaking, score by throwing the ball from 30 meters in Ricochet.
Unlocked: 19 Mar 2015 04:09:51
Got it!
20In Bullseye DLC matchmaking, acquire the Rocket Launcher at the start of a match on Pitfall.
Unlocked: 19 Mar 2015 04:00:07
Hat Trick
33In matchmaking, score three times in one round of Ricochet.
Unlocked: 19 Mar 2015 03:45:05
In matchmaking, score a goal in Ricochet while taking damage with the Resistor active.
Unlocked: 19 Mar 2015 03:43:22
Shocking
10In Bullseye DLC matchmaking, activate both electrical surge systems during a match on Vertigo.
Unlocked: 19 Mar 2015 03:30:53
One Man Army
27In matchmaking, get four consecutive kills with the Rocket Launcher without dying.
Unlocked: 19 Mar 2015 01:55:18
In matchmaking, effectively camp one location without dying for a full 60 seconds.
Unlocked: 19 Mar 2015 01:47:15