Complete every Mission of the game on Legendary difficulty.

Unlocked: 26 Mar 2016 12:32:05

Complete every Mission of the game by yourself on Legendary difficulty.

Unlocked: 26 Mar 2016 12:32:05

Traverse the canyon without a Phaeton in Reunion on Heroic difficulty.

Unlocked: 25 Mar 2016 03:38:20

Complete every Mission of the game on Heroic difficulty.

Unlocked: 18 Mar 2016 17:07:24

Complete every co-op Mission on Heroic difficulty.

Unlocked: 18 Mar 2016 17:07:24

Escape the Hunters in the lab and fight them in the hangar in Blue Team.

Unlocked: 18 Mar 2016 16:59:16

Complete Swords of Sanghelios co-op with both Mantises on Heroic difficulty.

Unlocked: 09 Mar 2016 19:38:48

Find and claim a Skull.

Unlocked: 07 Mar 2016 16:00:45

Spectate a game.

Unlocked: 14 Feb 2016 22:00:58

Complete every Mission of the game on Normal difficulty.

Unlocked: 10 Jan 2016 16:28:12

Complete Mission 15.

Unlocked: 10 Jan 2016 16:28:12

Complete Mission 14.

Unlocked: 10 Jan 2016 04:47:48

Complete Mission 13.

Unlocked: 10 Jan 2016 04:10:42

Operate four different vehicles at once in Mission 13 on Heroic difficulty.

Unlocked: 10 Jan 2016 03:50:44

Complete Mission 12.

Unlocked: 08 Jan 2016 07:26:46

Complete Mission 11.

Unlocked: 08 Jan 2016 06:39:16

Complete Mission 10.

Unlocked: 08 Jan 2016 06:28:49

Complete Mission 9.

Unlocked: 25 Dec 2015 16:13:39

Complete Mission 8.

Unlocked: 25 Dec 2015 06:23:29

Complete Mission 7.

Unlocked: 25 Dec 2015 05:40:50

Complete 5 matchmade games of Breakout.

Unlocked: 09 Dec 2015 22:45:20

Kill a Legendary Boss in Warzone.

Unlocked: 05 Dec 2015 16:40:59

Complete 5 matchmade games of Strongholds.

Unlocked: 04 Dec 2015 12:41:40

Complete 5 matchmade games of Capture the Flag.

Unlocked: 01 Dec 2015 22:19:06

Qualify for a Competitive Skill Rating.

Unlocked: 30 Nov 2015 21:59:10

Complete Mission 6.

Unlocked: 30 Nov 2015 20:16:00

Complete Mission 5.

Unlocked: 30 Nov 2015 19:49:50

Kill an enemy that's had its armor repaired in Unconfirmed.

Unlocked: 30 Nov 2015 19:27:20

Complete Mission 4.

Unlocked: 30 Nov 2015 19:22:18

Complete any co-op Mission on Heroic difficulty.

Unlocked: 30 Nov 2015 19:16:38

Complete Mission 3.

Unlocked: 30 Nov 2015 19:16:38

Complete Mission 2.

Unlocked: 30 Nov 2015 01:28:22

Change your Emblem in the Spartan Hub.

Unlocked: 30 Nov 2015 00:35:08

Win a match on all three original Warzone maps.

Unlocked: 30 Nov 2015 00:01:35

Complete 5 matchmade games of Slayer.

Unlocked: 29 Nov 2015 19:14:54

Complete Mission 1.

Unlocked: 29 Nov 2015 18:29:36

Command your team of Spartans in Osiris.

Unlocked: 29 Nov 2015 18:16:22

Find and claim one piece of Intel.

Unlocked: 29 Nov 2015 13:04:44

Complete 3 matchmade games of Warzone.

Unlocked: 29 Nov 2015 12:27:11

Call in a REQ that costs 5 Energy or more.

Unlocked: 29 Nov 2015 12:21:04

Open a Gold REQ Pack.

Unlocked: 29 Nov 2015 11:41:05

Change your Service Tag in the Spartan Hub.

Unlocked: 29 Nov 2015 11:15:35

Change your Spartan's gear in the Spartan Hub.

Unlocked: 29 Nov 2015 11:12:43

Create and save a Custom Game.

Find and claim all Intel.

Finish Evacuation within 18:00 without dying on Heroic difficulty.

Find and claim all Skulls.

Help the Elite General charge the hill in Osiris on Heroic difficulty.

Simultaneously assassinate two Elites in Blue Team co-op.

Complete Glassed without entering a vehicle.

Complete Glassed without any players using Smart-Link.

Team up in a vehicle to kill 30 enemies in Unconfirmed co-op.

Keep 6 miners alive at the elevator in Evacuation on Heroic difficulty.

Destroy the Phantom at the Covenant camp in Reunion on Heroic difficulty.

Destroy 10 walls or floors in Swords of Sanghelios.

Complete Enemy Lines without destroying a Kraken turret.

Escape the doomed Kraken by jumping onto a Phaeton piloted by a Spartan.

Kill a Grunt and smash a grate with a Ground Pound in Battle of Sunaion.

Knock two Hunters into the ocean during the Battle of Sunaion.

Finish the 13th mission without losing the Scorpion on Legendary difficulty.

Complete The Breaking on Legendary difficulty without the entire fireteam dying.

Simultaneously kill two Wardens in The Breaking on Heroic difficulty.

Use a Ground Pound on an exterior power core in Guardians on Heroic difficulty.

Simultaneously destroy 2 cores in Guardians on Heroic difficulty.

Complete any Mission with 3+ Skulls active on Heroic difficulty.

Complete a Warzone Firefight match on 6 unique maps.

Unlocked: 18 Aug 2016 22:57:40

Successfully complete 5 Warzone Firefight matches.

Unlocked: 07 Aug 2016 20:42:26

Earn a Mythic Boss Takedown in a Warzone Firefight match.

Unlocked: 27 Jul 2016 13:10:24

Complete a mission in Score Attack with at least 10,000 points.

Reach 50,000 points in Score Attack with a Skull multiplier of x2 or higher.

Complete a mission in Score Attack co-op, with all participants scoring at least 200,000 points.

Beat the par time of a mission in Score Attack.

Complete a mission in Score Attack with at least 500,000 points.