| icon | info | gamerscore |
|---|---|---|
 | Your Team is Your Weapon Commanded your team of Spartans in Osiris. | 10 |
 | Your Style Changed your Spartan's gear in the Spartan Hub. | 10 |
 | Raise Your Banner Changed your Emblem in the Spartan Hub. | 10 |
 | Make Your Mark Changed your Service Tag in the Spartan Hub. | 10 |
 | Gamemaster Created and saved a Custom Game. | 10 |
 | Benchwarmer Spectated a game. | 10 |
 | Cry Havoc Completed 3 matchmade games of Warzone. | 10 |
 | Bringing in the Big Guns Called in a REQ that costs 5 Energy or more. | 10 |
 | Go for the Gold Opened a Gold REQ Pack. | 10 |
 | Warlord Won a match on all three original Warzone maps. | 20 |
 | Castle Crasher Completed 5 matchmade games of Strongholds. | 20 |
 | Off to the Races Completed 5 matchmade games of Breakout. | 20 |
 | Flag Monger Completed 5 matchmade games of Capture the Flag. | 20 |
 | Spartan Decimation Completed 5 matchmade games of Slayer. | 20 |
 | Into the Fire Completed Mission 1. | 10 |
 | Argent Moon Completed Mission 2. | 10 |
 | Gravedigger Found and claimed a Skull. | 10 |
 | Escape Completed Mission 6. | 10 |
 | Together Again Completed Mission 7. | 10 |
 | Reclamation Completed Mission 13. | 10 |
 | A New Dawn Completed Mission 14. | 10 |
 | Legacy Completed every Mission of the game on Normal difficulty. | 10 |
 | Heroes Rise Completed every Mission of the game on Heroic difficulty. | 40 |
 | Forging a Legend Completed every Mission of the game on Legendary difficulty. | 60 |
 | Conspiracy Theory Found and claimed one piece of Intel. | 10 |
 | Top of the Food Chain Killed a Legendary Boss in Warzone. | 30 |
 | Hunt the Truth Found and claimed all Intel. | 40 |
 | Fire Drill Finished Evacuation within 18:00 without dying on Heroic difficulty. | 10 |
 | Gravelord Found and claimed all Skulls. | 40 |
 | Enemy of my Enemy Helped the Elite General charge the hill in Osiris on Heroic difficulty. | 10 |
 | I Thought I'd Lost You Escaped the Hunters in the lab and fought them in the hangar in Blue Team. | 10 |
 | On My Mark Simultaneously assassinated two Elites in Blue Team co-op. | 10 |
 | Going the Distance Completed Glassed without entering a vehicle. | 10 |
 | Shoot from the Hip Completed Glassed without any players using Smart-Link. | 10 |
 | Waiting on You Killed an enemy that's had its armor repaired in Unconfirmed. | 10 |
 | Maverick Teamed up in a vehicle to kill 30 enemies in Unconfirmed co-op. | 10 |
 | Savior Kept 6 miners alive at the elevator in Evacuation on Heroic difficulty. | 10 |
 | Take a Hike Traversed the canyon without a Phaeton in Reunion on Heroic difficulty. | 10 |
 | No Witnesses Destroyed the Phantom at the Covenant camp in Reunion on Heroic difficulty. | 10 |
 | No Knock Raid Destroyed 10 walls or floors in Swords of Sanghelios. | 10 |
 | Preying Mantis Completed Swords of Sanghelios co-op with both Mantises on Heroic difficulty. | 10 |
 | Kraken Lackin' Completed Enemy Lines without destroying a Kraken turret. | 10 |
 | Emergency Boarding Procedures Escaped the doomed Kraken by jumping onto a Phaeton piloted by a Spartan. | 10 |
 | Death from Above Killed a Grunt and smashed a grate with a Ground Pound in Battle of Sunaion. | 10 |
 | Worms Don't Surf Knocked two Hunters into the ocean during the Battle of Sunaion. | 10 |
 | Tank Still Beats Everything Finished the 13th mission without losing the Scorpion on Legendary difficulty. | 10 |
 | Rolling Thunder Operated four different vehicles at once in Mission 13 on Heroic difficulty. | 10 |
 | Harbinger Completed The Breaking on Legendary difficulty without the entire fireteam dying. | 10 |
 | Prison Break Simultaneously killed two Wardens in The Breaking on Heroic difficulty. | 10 |
 | Icy Cool Used a Ground Pound on an exterior power core in Guardians on Heroic difficulty. | 10 |
 | Double Stuff Simultaneously destroyed 2 cores in Guardians on Heroic difficulty. | 10 |
 | Lone Wolf Completed every Mission of the game by yourself on Legendary difficulty. | 100 |
 | One for All Completed any co-op Mission on Heroic difficulty. | 10 |
 | All for One Completed every co-op Mission on Heroic difficulty. | 40 |
 | Civil War Completed Mission 12. | 10 |
 | My Rules Completed any Mission with 3+ Skulls active on Heroic difficulty. | 20 |
 | Valor Recognized Qualified for a Competitive Skill Rating. | 20 |
 | Glasslands Completed Mission 3. | 10 |
 | Roots of the Earth Completed Mission 4. | 10 |
 | Stolen Gauntlet Completed Mission 5. | 10 |
 | Swords Completed Mission 8. | 10 |
 | Old Bones Completed Mission 9. | 10 |
 | Breakthrough Completed Mission 10. | 10 |
 | Stormbound Completed Mission 11. | 10 |
 | Sentinels Completed Mission 15. | 10 |
 | Drop A Quarter Completed a mission in Score Attack with at least 10,000 points. | 10 |
 | Up For A Challenge Reached 50,000 points in Score Attack with a Skull multiplier of x2 or higher. | 20 |
 | Party Hearty Completed a mission in Score Attack co-op, with all participants scoring at least 200,000 points. | 25 |
 | The Hare Beat the par time of a mission in Score Attack. | 20 |
 | The Tortoise Completed a mission in Score Attack with at least 500,000 points. | 50 |
 | Not Your First Rodeo Successfully completed 5 Warzone Firefight matches. | 40 |
 | Tour of Duty Completed a Warzone Firefight match on 6 unique maps. | 60 |
 | Dangerous Game Earned a Mythic Boss Takedown in a Warzone Firefight match. | 25 |
