Halo 3


Common

Finish the first mission of the Campaign on Normal, Heroic, or Legendary.


Common

Holdout

20

Finish the second mission of the Campaign on Normal, Heroic, or Legendary.


Common

Finish the third mission of the Campaign on Normal, Heroic, or Legendary.


Common

Assault

30

Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.


Common

Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.


Common

Refuge

30

Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.


Common

Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.


Common

The Key

40

Finish the eighth mission of the Campaign on Normal, Heroic, or Legendary.


Common

Return

50

Finish the final mission of the Campaign on Normal, Heroic, or Legendary.


Uncommon

Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).


Uncommon

Finish the Campaign on Legendary (unlocks achievements for Normal and Heroic, if not earned).


Common

Iron

10

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Common

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Common

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Uncommon

Catch

10

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Uncommon

Fog

10

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Uncommon

Famine

10

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Uncommon

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Uncommon

Tilt

10

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Common

Mythic

10

Find and claim this skull when playing on Normal, Heroic or Legendary difficulty.


Common

Earn 5 EXP or finish 10 games to complete the requirements for basic training (Online).


Uncommon

Earn your Sergeant rating to be recognized as a true Spartan (Online).


Rare

Advance to the Spartan Officer ranks (Online).


Rare

Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).


Uncommon

Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.


Rare

Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).


Rare

Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).


Rare

Score 5 grenade sticks in any ranked free for all playlist (Online).


Rare

Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.


Rare

Kill 10 enemies without dying in any ranked free for all playlist (Online).


Rare

Score a Triple Kill with the sword in a ranked free for all playlist (Online).


Rare

Splatter an enemy with the mongoose in a ranked free for all playlist (Online).


Common

Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).


Common

Kill 5 enemies with the needler in a ranked free for all playlist or in campaign.


Uncommon

Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.


Common

Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.


Rare

Locate and access all Terminals in the Campaign.


Uncommon

MVP

5

Earn the MVP in any ranked playlist (Online).


Rare

Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).


Rare

Score over 15,000 points in the Campaign meta-game on the first mission.


Rare

Demon

10

Score over 15,000 points in the Campaign meta-game on the second mission.


Rare

Score over 15,000 points in the Campaign meta-game on the third mission.


Rare

Askar

10

Score over 15,000 points in the Campaign meta-game on the fourth mission.


Rare

Score over 15,000 points in the Campaign meta-game on the fifth mission.


Rare

Ranger

10

Score over 50,000 points in the Campaign meta-game on the sixth mission.


Rare

Score over 50,000 points in the Campaign meta-game on the seventh mission.


Rare

Orpheus

10

Score over 15,000 points in the Campaign meta-game on the eighth mission.


Rare

Score over 15,000 points in the Campaign meta-game on the final mission.

DLC: Vidmaster Challenges

4 Achievements worth 25 Gamerscore

Rare

After 9/25/08, complete Halo on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.


Rare

Find all the hidden skulls on the Mythic maps.


Rare

Get to the rank of Lieutenant in any playlist in the new EXP progression system.


Rare

Enter into any ranked or social playlist with 7 EXP on the 7th of the month.

DLC: Legendary Map Pack

7 Achievements worth 250 Gamerscore

Rare

On a Legendary map, get two Double Kills during any ranked or social match.


Rare

On a Legendary map, get 3 Oddball melee kills during any ranked or social match.


Rare

On a Legendary map, get 3 assassinations during any ranked or social match.


Rare

On a Legendary map, get a flag melee kill during any ranked or social match.


Rare

On a Legendary map, get 2 flag carrier kills during any ranked or social match.


Rare

On a Legendary map, get 5 Warthog chaingun kills during any ranked or social match.


Rare

On a Legendary map, get a Splatter Spree during any ranked or social match.

DLC: Mythic Map Pack

13 Achievements worth 325 Gamerscore

Rare

On Assembly, get 5 Hammer kills during any ranked or social match.


Rare

On Orbital, get 2 Death From the Grave medals during any ranked or social match.


Rare

On a Mythic map, get a Bulltrue medal during any ranked or social match.


Rare

On a Mythic map, get a Killjoy medal during any ranked or social match.


Rare

On a Mythic map, get a Killtacular during any ranked or social match.


Rare

On a Mythic map, get an Extermination during any ranked or social match.


Rare

On a Mythic map, get a Perfection medal during any ranked or social match.


Rare

On a Mythic map, infect 2 humans during any ranked or social match.


Rare

On a Mythic map, kill 2 Zombies during any ranked or social match.


Rare

On any Mythic map, get a kill on another player while in monitor mode.


Uncommon

On Assembly, find the hidden skull.


Uncommon

On Orbital, find the hidden skull.


Rare

On Sandbox, find the hidden skull.

DLC: Mythic II Map Pack

6 Achievements worth 150 Gamerscore

Rare

Pull

25

On Citadel, get a Shotgun Spree during any ranked or social match.


Rare

On Heretic, get a Sword Spree during any ranked or social match.


Rare

On Longshore, get 3 kills with a Ghost during any ranked or social match.


Rare

On Citadel, find the hidden skull.


Rare

On Heretic, find the hidden skull.


Rare

On Longshore, find the hidden skull.

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1750
2637
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Developer
Bungie
Publisher
Microsoft Studios
Platform
Xbox 360