Achievements revealed:
[quote name='Maklershed']Link:
http://www.xbox360achievements.org/achievements.php?gameID=274
Halo 3 - Achievement List
There are 49 achievements with a total of 1000 points.
Landfall (
20 points)
Finish the first mission of the Campaign on Normal, Heroic, or Legendary.
Holdout (
20 points)
Finish the second mission of the Campaign on Normal, Heroic, or Legendary.
The Road (
20 points)
Finish the third mission of the Campaign on Normal, Heroic, or Legendary.
Assault (
30 points)
Finish the fourth mission of the Campaign on Normal, Heroic, or Legendary.
Cleansing (
30 points)
Finish the fifth mission of the Campaign on Normal, Heroic, or Legendary.
Refuge (
30 points)
Finish the sixth mission of the Campaign on Normal, Heroic, or Legendary.
Last Stand (
40 points)
Finish the seventh mission of the Campaign on Normal, Heroic, or Legendary.
The Key (
40 points)
Finish the eighth mission of the Campaign on Normal, Heroic, or Legendary.
Return (
50 points)
Finish the final mission of the Campaign on Normal, Heroic, or Legendary.
Campaign Complete: Normal (
125 points)
Finish the Campaign on Normal.
Campaign Complete: Heroic (
125 points)
Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).
Campaign Complete: Legendary (
125 points)
Finish the Campaign on Legendary (unlocks achievements for Normal and Heroic, if not earned).
Iron (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Black Eye (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Tough Luck (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Catch (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Fog (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Famine (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Thunderstorm (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Tilt (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Mythic (
10 points)
Finish the Campaign on Normal, Heroic, or Legendary, then find and claim this skull.
Spartan Program Recruit (
10 points)
Win your first game in matchmaking to sign up for the Spartan Program (Online).
UNSC Spartan (
15 points)
Earn your Sergeant rating to be recognized as a true Spartan (Online).
Spartan Officer (
25 points)
Advance to the Spartan Officer ranks (Online).
Two for One (
5 points)
Score a Double Kill with a single spartan laser shot in a ranked free for all playlist (Online).
Too Close to the Sun (
5 points)
Destroy an enemy banshee with the spartan laser or missile pod in a ranked playlist or in campaign.
Triple Kill (
5 points)
Kill 3 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Overkill (
5 points)
Kill 4 enemies within 4 seconds of one another in a ranked free for all playlist (Online).
Lee R Wilson Memorial (
5 points)
Score 5 grenade sticks in any ranked free for all playlist (Online).
We’re in for some Chop (
5 points)
Destroy an enemy vehicle with equipment in a ranked playlist or in campaign.
Killing Frenzy (
5 points)
Kill 10 enemies without dying in any ranked free for all playlist (Online).
Steppin' Razor (
5 points)
Score a Triple Kill with the sword in a ranked free for all playlist (Online).
Mongoose Mowdown (
5 points)
Splatter an enemy with the mongoose in a ranked free for all playlist (Online).
Up Close and Personal (
5 points)
Kill 5 enemies by melee or assassination in a ranked free for all playlist (Online).
Fear the Pink Mist (
5 points)
Kill 5 enemies with the needler in a ranked free for all playlist or in campaign.
Headshot Honcho (
5 points)
Kill 10 enemies with headshots in a ranked free for all playlist or in campaign.
Used Car Salesman (
5 points)
Destroy a vehicle that has three enemies in it in a ranked playlist or in campaign.
Marathon Man (
40 points)
Locate and access all Terminals in the Campaign.
MVP (
5 points)
Earn the MVP in any ranked playlist (Online).
Maybe Next Time Buddy (
5 points)
Board the same vehicle within 10 seconds after being boarded in any free for all playlist (Online).
Demon (
10 points)
Score over points in the Campaign meta-game on the second mission.
Guerilla (
10 points)
Score over points in the Campaign meta-game on the first mission.
Cavalier (
10 points)
Score over points in the Campaign meta-game on the third mission.
Askar (
10 points)
Score over points in the Campaign meta-game on the fourth mission.
Exterminator (
10 points)
Score over points in the Campaign meta-game on the fifth mission.
Ranger (
10 points)
Score over points in the Campaign meta-game on the sixth mission.
Vanguard (
10 points)
Score over points in the Campaign meta-game on the seventh mission.
Orpheus (
10 points)
Score over points in the Campaign meta-game on eighth mission.
Reclaimer (
10 points)
Score over points in the Campaign meta-game on the final mission.[/quote]