| 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
|
| Assualt | |||
| 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 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 mode | |||
| Finish the Campaign on Normal. |
125
|
||
| Campaign Complete: Heroic Mode | |||
| Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned). |
125
|
||
| Campaign Complete: Legendary Mode | |||
| 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. |
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. |
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. |
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
|
| Ranger | |||
| Score over 50,000 points in the Campaign meta-game on the sixth mission. |
10
|