Halo Unlockables
Acheivements
Complete the following tasks to earn the desired achievement. Note that these only work on the PC version; they will NOT work in the Xbox version.
Unlockable How to Unlock
(Campaign level goes here) (30 each) Complete each level (seperate achievements) on Normal, Heroic, or Legendary. There are 13 levels (not counting tutorial) for a total of 390 points.
Warrior (100) Complete the game on Normal difficulty
Hero (50) Complete the game on Heroic difficulty
Legend (50) Complete the game on Legendary difficulty
King of the Scrab (20) Aquire the Scrab gun on the Metropolis level
Slient but Deadly (20) Kill 7 enemies in a row without being spotted
Demon (25) Complete any level without dying. The tutorial level does not count.
Go Ape Shiv (20) Kill an enraged, berserk Brute by melee
Stick It (5) Stick an opponent (MP) with a plasma grenade and blow them up
Counterpoint (5) Kill the sword carrier
Carjacking (5) Steal an occupied vehicle from an opponent and take it over
Violent Cartographer (25) Play every default map and stay in the game until it's over
Rainman (25) Play every game variant, with at least 3 other players, until the end of the game
Double Kill (20) Kill 2 opponents within 4 seconds
Triple Kill (20) 3 opponents
Killtacular (20) 4 opponents
Killing Spree (20) Kill 5 opponents in a row in the same game, without dying
Running Riot (20) 10 opponents, same condition
Roadkill (10) Run over, hit and kill an opponent with a vehicle
Bonecracker (10) Hit and kill an opponent from behind
Assassin (10) Melee an opponent from behind
Skewer Stopper (20) Kill the sword carrier, after he/she has killed 5 or more opponents in a row with the sword
Vigilante (10) End someone's killing spree.
Air Traffic Control (20) Blow up the Banshee in flight while manned, with grenades or the rocket launcher
Decorated Soldier (10) Get awarded at least 8 different medals in one non-team game
Ninja (20) In a non-team game, kill 5 people by melee, from behind
Hired Gun (20) If you know someone in the game who has completed the game on Legendary, then kill him.
hard eke ida hadagena a[ahu game ekak gahanan oni 
