Spectate a game.

Unlocked: 01 Aug 2016 14:36:40

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

Unlocked: 27 Jul 2016 13:06:22

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

Unlocked: 26 May 2016 08:54:47

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

Unlocked: 26 May 2016 08:32:45

Complete Enemy Lines without destroying a Kraken turret.

Unlocked: 26 May 2016 08:27:07

Destroy 10 walls or floors in Swords of Sanghelios.

Unlocked: 25 May 2016 12:58:33

Complete 5 matchmade games of Breakout.

Unlocked: 24 Mar 2016 09:15:33

Complete 5 matchmade games of Strongholds.

Unlocked: 16 Mar 2016 16:19:02

Complete 5 matchmade games of Capture the Flag.

Unlocked: 16 Mar 2016 14:01:22

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

Unlocked: 18 Feb 2016 16:11:33

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

Unlocked: 18 Feb 2016 15:26:30

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

Unlocked: 17 Feb 2016 21:33:28

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

Unlocked: 17 Feb 2016 21:05:21

Create and save a Custom Game.

Unlocked: 17 Feb 2016 20:37:32

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

Unlocked: 20 Dec 2015 10:49:56

Complete Glassed without any players using Smart-Link.

Unlocked: 20 Dec 2015 10:35:48

Complete Glassed without entering a vehicle.

Unlocked: 20 Dec 2015 10:20:32

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

Unlocked: 13 Dec 2015 13:29:03

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

Unlocked: 13 Dec 2015 12:40:39

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

Unlocked: 05 Dec 2015 13:05:12

Find and claim all Intel.

Unlocked: 08 Nov 2015 12:03:29

Find and claim all Skulls.

Unlocked: 08 Nov 2015 11:21:28

Complete every Mission of the game on Legendary difficulty.

Unlocked: 08 Nov 2015 10:56:47

Complete any co-op Mission on Heroic difficulty.

Unlocked: 01 Nov 2015 11:22:39

Kill a Legendary Boss in Warzone.

Unlocked: 31 Oct 2015 21:38:02

Open a Gold REQ Pack.

Unlocked: 30 Oct 2015 10:46:51

Win a match on all three original Warzone maps.

Unlocked: 29 Oct 2015 10:38:42

Complete 3 matchmade games of Warzone.

Unlocked: 29 Oct 2015 10:25:55

Qualify for a Competitive Skill Rating.

Unlocked: 29 Oct 2015 08:48:01

Complete every Mission of the game on Normal difficulty.

Unlocked: 28 Oct 2015 22:07:38

Complete every Mission of the game on Heroic difficulty.

Unlocked: 28 Oct 2015 22:07:38

Complete Mission 15.

Unlocked: 28 Oct 2015 22:07:38

Complete Mission 14.

Unlocked: 28 Oct 2015 21:24:21

Complete Mission 13.

Unlocked: 28 Oct 2015 20:45:14

Complete Mission 12.

Unlocked: 28 Oct 2015 20:18:33

Complete 5 matchmade games of Slayer.

Unlocked: 28 Oct 2015 16:56:30

Change your Spartan's gear in the Spartan Hub.

Unlocked: 28 Oct 2015 16:33:38

Change your Service Tag in the Spartan Hub.

Unlocked: 28 Oct 2015 14:10:24

Complete Mission 11.

Unlocked: 28 Oct 2015 14:03:46

Complete Mission 10.

Unlocked: 28 Oct 2015 14:01:02

Complete Mission 9.

Unlocked: 28 Oct 2015 13:22:38

Complete Mission 8.

Unlocked: 28 Oct 2015 13:17:57

Complete Mission 7.

Unlocked: 28 Oct 2015 12:32:39

Call in a REQ that costs 5 Energy or more.

Unlocked: 28 Oct 2015 10:38:44

Change your Emblem in the Spartan Hub.

Unlocked: 28 Oct 2015 10:29:20

Complete Mission 6.

Unlocked: 28 Oct 2015 10:23:56

Complete Mission 5.

Unlocked: 28 Oct 2015 09:53:06

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

Unlocked: 28 Oct 2015 09:22:52

Complete Mission 4.

Unlocked: 28 Oct 2015 08:53:29

Complete Mission 3.

Unlocked: 28 Oct 2015 08:47:46

Complete Mission 2.

Unlocked: 28 Oct 2015 00:37:34

Complete Mission 1.

Unlocked: 27 Oct 2015 23:28:35

Find and claim a Skull.

Unlocked: 27 Oct 2015 23:09:46

Command your team of Spartans in Osiris.

Unlocked: 27 Oct 2015 23:04:22

Find and claim one piece of Intel.

Unlocked: 27 Oct 2015 23:00:22

Simultaneously assassinate two Elites in Blue Team co-op.

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.

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

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

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

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

Simultaneously kill two Wardens in The Breaking on Heroic difficulty.

Simultaneously destroy 2 cores in Guardians on Heroic difficulty.

Complete every co-op Mission on Heroic difficulty.

Beat the par time of a mission in Score Attack.

Unlocked: 02 Jul 2016 13:16:39

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

Unlocked: 01 Jul 2016 14:40:41

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

Unlocked: 01 Jul 2016 14:40:41

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

Unlocked: 01 Jul 2016 14:40:41

Successfully complete 5 Warzone Firefight matches.

Unlocked: 30 Jun 2016 21:20:28

Earn a Mythic Boss Takedown in a Warzone Firefight match.

Unlocked: 30 Jun 2016 13:50:02

Complete a Warzone Firefight match on 6 unique maps.

Unlocked: 30 Jun 2016 13:33:58

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