Completed 5 matchmade games of Breakout.
Completed a mission in Score Attack co-op, with all participants scoring at least 200,000 points.
Completed a Warzone Firefight match on 6 unique maps.
Successfully completed 5 Warzone Firefight matches.
Earned a Mythic Boss Takedown in a Warzone Firefight match.
Completed 5 matchmade games of Slayer.
Completed 5 matchmade games of Strongholds.
Qualified for a Competitive Skill Rating.
Completed 5 matchmade games of Capture the Flag.
Found and claimed all Skulls.
Finished the 13th mission without losing the Scorpion on Legendary difficulty.
Completed any Mission with 3+ Skulls active on Heroic difficulty.
Found and claimed all Intel.
Knocked two Hunters into the ocean during the Battle of Sunaion.
Destroyed 10 walls or floors in Swords of Sanghelios.
Destroyed the Phantom at the Covenant camp in Reunion on Heroic difficulty.
Spectated a game.
Created and saved a Custom Game.
Completed Glassed without any players using Smart-Link.
Completed a mission in Score Attack with at least 10,000 points.
Reached 50,000 points in Score Attack with a Skull multiplier of x2 or higher.
Beat the par time of a mission in Score Attack.
Completed a mission in Score Attack with at least 500,000 points.
Completed Glassed without entering a vehicle.
Completed The Breaking on Legendary difficulty without the entire fireteam dying.
Completed every co-op Mission on Heroic difficulty.
Simultaneously destroyed 2 cores in Guardians on Heroic difficulty.
Used a Ground Pound on an exterior power core in Guardians on Heroic difficulty.
Simultaneously killed two Wardens in The Breaking on Heroic difficulty.
Operated four different vehicles at once in Mission 13 on Heroic difficulty.
Killed a Grunt and smashed a grate with a Ground Pound in Battle of Sunaion.
Completed Enemy Lines without destroying a Kraken turret.
Escaped the doomed Kraken by jumping onto a Phaeton piloted by a Spartan.
Completed Swords of Sanghelios co-op with both Mantises on Heroic difficulty.
Traversed the canyon without a Phaeton in Reunion on Heroic difficulty.
Kept 6 miners alive at the elevator in Evacuation on Heroic difficulty.
Finished Evacuation within 18:00 without dying on Heroic difficulty.
Teamed up in a vehicle to kill 30 enemies in Unconfirmed co-op.
Escaped the Hunters in the lab and fought them in the hangar in Blue Team.
Simultaneously assassinated two Elites in Blue Team co-op.
Completed any co-op Mission on Heroic difficulty.
Helped the Elite General charge the hill in Osiris on Heroic difficulty.
Won a match on all three original Warzone maps.
Changed your Service Tag in the Spartan Hub.
Killed a Legendary Boss in Warzone.
Completed 3 matchmade games of Warzone.
Opened a Gold REQ Pack.
Called in a REQ that costs 5 Energy or more.
Completed every Mission of the game on Normal difficulty.
Completed every Mission of the game on Heroic difficulty.
Completed every Mission of the game on Legendary difficulty.
Completed every Mission of the game by yourself on Legendary difficulty.
Completed Mission 15.
Completed Mission 14.
Completed Mission 13.
Completed Mission 12.
Completed Mission 11.
Completed Mission 10.
Completed Mission 9.
Completed Mission 8.
Completed Mission 7.
Found and claimed a Skull.
Completed Mission 6.
Completed Mission 5.
Killed an enemy that's had its armor repaired in Unconfirmed.
Completed Mission 4.
Completed Mission 3.
Changed your Spartan's gear in the Spartan Hub.
Changed your Emblem in the Spartan Hub.
Completed Mission 2.
Completed Mission 1.
Found and claimed one piece of Intel.
Commanded your team of Spartans in Osiris.
