Landfall
Finish the first mission of the Campaign on Normal, Heroic, or Legendary.
20
Holdout
Finish the second mission of the Campaign on Normal, Heroic, or Legendary.
20
The Road
Finish the third mission of the Campaign on Normal, Heroic, or Legendary.
20
Assault
Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.
30
Cleansing
Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.
30
Refuge
Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.
30
Last Stand
Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.
40
The Key
Finish the eighth mission of the Campaign on Normal, Heroic, or Legendary.
40
Return
Finish the final mission of the Campaign on Normal, Heroic, or Legendary.
50
Campaign Complete: Normal
Finish the Campaign on Normal.
125
Campaign Complete: Heroic
Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).
125
Campaign Complete: Legendary
Finish the Campaign on Legendary (unlocks achievements for Normal and Heroic, if not earned).
125
Iron
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Black Eye
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Tough Luck
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Catch
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Fog
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Famine
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Thunderstorm
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Tilt
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Mythic
Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.
10
Graduate
Earn 5 EXP or finish 10 games to complete the requirements for basic training (Online).
10
UNSC Spartan
Earn your Sergeant rating to be recognized as a true Spartan (Online).
15
Spartan Officer
Advance to the Spartan Officer ranks (Online).
25
Two for One
Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).
5
Too Close to the Sun
Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.
5
Triple Kill
Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
5
Overkill
Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
5
Lee R Wilson Memorial
Score 5 grenade sticks in any ranked free for all playlist (Online).
5
We’re in for some Chop
Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.
5
Killing Frenzy
Kill 10 enemies without dying in any ranked free for all playlist (Online).
5
Steppin' Razor
Score a Triple Kill with the sword in a ranked free for all playlist (Online).
5
Mongoose Mowdown
Splatter an enemy with the mongoose in a ranked free for all playlist (Online).
5
Up Close and Personal
Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).
5
Fear the Pink Mist
Kill 5 enemies with the needler in a ranked free for all playlist or in campaign.
5
Headshot Honcho
Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.
5
Used Car Salesman
Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.
5
Marathon Man
Locate and access all Terminals in the Campaign.
40
MVP
Earn the MVP in any ranked playlist (Online).
5
Maybe Next Time Buddy
Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).
5
Guerilla
Score over 15,000 points in the Campaign meta-game on the first mission.
10
Demon
Score over 15,000 points in the Campaign meta-game on the second mission.
10
Cavalier
Score over 15,000 points in the Campaign meta-game on the third mission.
10
Askar
Score over 15,000 points in the Campaign meta-game on the fourth mission.
10
Exterminator
Score over 15,000 points in the Campaign meta-game on the fifth mission.
10
Ranger
Score over 50,000 points in the Campaign meta-game on the sixth mission.
10
Vanguard
Score over 50,000 points in the Campaign meta-game on the seventh mission.
10
Orpheus
Score over 15,000 points in the Campaign meta-game on the eighth mission.
10
Reclaimer
Score over 15,000 points in the Campaign meta-game on the final mission.
10