| Askar (10)
|
Score over 15,000 points in the Campaign meta-game on the fourth mission.
|
| Assault (30)
|
Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.
|
| Black Eye (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Campaign Complete: Heroic (125)
|
Finish the Campaign on Heroic (normal is unlocked as well).
|
| Campaign Complete: Legendary (125)
|
Finish the Campaign on Legendary (normal and heroic are unlocked as well).
|
| Campaign Complete: Normal (125)
|
Finish the Campaign on Normal.
|
| Catch (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Cavalier (10)
|
Score over 15,000 points in the Campaign meta-game on the third mission.
|
| Cleansing (30)
|
Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.
|
| Demon (10)
|
Score over 15,000 points in the Campaign meta-game on the second mission.
|
| Exterminator (10)
|
Score over 15,000 points in the Campaign meta-game on the fifth mission.
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| Famine (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
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| Fear the Pink Mist (5)
|
Kill 5 enemies with the needler in a ranked free for all playlist or in campaign.
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| Fog (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Graduate (10)
|
Earn 5 EXP or finish 10 games to complete the requirements for basic training (Online).
|
| Guerilla (10)
|
Score over 15,000 points in the Campaign meta-game on the first mission.
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| Headshot Honcho (5)
|
Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.
|
| Holdout (20)
|
Finish the second mission of the Campaign on Normal, Heroic, or Legendary.
|
| Iron (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Killing Frenzy (5)
|
Kill 10 enemies without dying in any ranked free for all playlist (Online).
|
| Landfall (20)
|
Finish the first mission of the Campaign on Normal, Heroic, or Legendary.
|
| Last Stand (40)
|
Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.
|
| Lee R Wilson Memorial (5)
|
Score 5 grenade sticks in any ranked free for all playlist (Online).
|
| Marathon Man (40)
|
Locate and access all Terminals in the Campaign.
|
| Maybe Next Time Buddy (5)
|
Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).
|
| Mongoose Mowdown (5)
|
Splatter an enemy with the mongoose in a ranked free for all playlist (Online).
|
| MVP (5)
|
Earn the MVP in any ranked playlist (Online).
|
| Mythic (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Orpheus (10)
|
Score over 15,000 points in the Campaign meta-game on the eigth mission.
|
| Overkill (5)
|
Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
|
| Ranger (10)
|
Score over 50,000 points in the Campaign meta-game on the sixth mission.
|
| Reclaimer (10)
|
Score over 15,000 points in the Campaign meta-game on the final mission.
|
| Refuge (30)
|
Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.
|
| Return (50)
|
Finish the final mission of the Campaign on Normal, Heroic, or Legendary.
|
| Spartan Officer (25)
|
Advance to the Spartan Officer ranks (Online).
|
| Steppin' Razor (5)
|
Score a Triple Kill with the sword in a ranked free for all playlist (Online).
|
| The Key (40)
|
Finish the eigth mission of the Campaign on Normal, Heroic, or Legendary.
|
| The Road (20)
|
Finish the third mission of the Campaign on Normal, Heroic, or Legendary.
|
| Thunderstorm (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Tilt (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Too Close to the Sun (5)
|
Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.
|
| Tough Luck (10)
|
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
|
| Triple Kill (5)
|
Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
|
| Two for One (5)
|
Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).
|
| UNSC Spartan (15)
|
Earn your Sergeant rating to be recognized as a true Spartan (Online).
|
| Up Close and Personal (5)
|
Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).
|
| Used Car Salesman (5)
|
Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.
|
| Vanguard (10)
|
Score over 50,000 points in the Campaign meta-game on the seventh mission.
|
| We’re in for Some Chop (5)
|
Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.
|
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