Warrior
Complete the game on Normal difficulty
100 ✓ June 11th, 2008
Hero
Complete the game on Heroic difficulty
50 ✓ June 11th, 2008
Legend
Complete the game on Legendary difficulty
50 ✓ July 10th, 2009
Cairo Station
Complete Cairo Station at Normal, Heroic, or Legendary
30 ✓ May 9th, 2008
Gravemind
Complete Gravemind at Normal, Heroic, or Legendary
30 ✓ May 31st, 2008
Uprising
Complete Uprising at Normal, Heroic, or Legendary
30 ✓ June 6th, 2008
High Charity
Complete High Charity at Normal, Heroic, or Legendary
30 ✓ June 10th, 2008
The Great Journey
Complete The Great Journey at Normal, Heroic, or Legendary
30 ✓ June 11th, 2008
Outskirts
Complete Outskirts at Normal, Heroic, or Legendary
30 ✓ May 12th, 2008
Metropolis
Complete Metropolis at Normal, Heroic, or Legendary
30 ✓ May 12th, 2008
The Arbiter
Complete The Arbiter at Normal, Heroic, or Legendary
30 ✓ May 14th, 2008
Oracle
Complete The Oracle at Normal, Heroic, or Legendary
30 ✓ May 15th, 2008
Delta Halo
Complete Delta Halo at Normal, Heroic, or Legendary
30 ✓ May 15th, 2008
Regret
Complete Regret at Normal, Heroic, or Legendary
30 ✓ May 17th, 2008
Sacred Icon
Complete Sacred Icon at Normal, Heroic, or Legendary
30 ✓ May 19th, 2008
Quarantine Zone
Complete Quarantine Zone at Normal, Heroic, or Legendary
30 ✓ May 20th, 2008
Demon
Complete any campaign level without dying once on Normal, Heroic, or Legendary
25 ✓ May 9th, 2008
Silent but Deadly
Kill 7 opponents from behind in a row without being spotted, any level, any difficulty
20 ✓ July 10th, 2009
Go Ape Shiv
Kill an enraged, berserk Brute by melee, any level, any difficulty
20 ✓ May 20th, 2008
Double Kill
Kill 2 opponents within 4 seconds
20 ✓ June 6th, 2008
Triple Kill
Kill 3 opponents within 4 seconds
20 ✓ June 10th, 2008
Killtacular
Kill 4 opponents within 4 seconds
20 ✓ July 17th, 2008
Killing Spree
Kill 5 opponents in a row in the same game, without dying
20 ✓ May 9th, 2008
Running Riot
Kill 10 opponents in a row in the same game, without dying
20 ✓ July 17th, 2008
Air Traffic Control
Blow up the Banshee in flight while manned, with grenades or the rocket launcher
20 ✓ June 6th, 2008
Ninja
In a non-team game, kill 5 people by melee, from behind
20 ✓ July 17th, 2008
Flaming Ninja
Kill an opponent that has the Ninja achievement
20 ✓ May 9th, 2008
Hired Gun
Kill an opponent who has the Legend achievement
20 ✓ June 6th, 2008
Sniper Kill
Kill an opponent with the sniper rifle or the beam rifle
10 ✓ June 6th, 2008
Roadkill
Run over, hit and kill an opponent with a vehicle
10 ✓ May 9th, 2008
Bonecracker
Hit and kill an opponent with a melee attack
10 ✓ May 9th, 2008
Assassin
Melee an opponent from behind
10 ✓ May 9th, 2008
Vigilante
Stop a Killing Spree of another player
10 ✓ May 9th, 2008
Stick It
Stick an opponent with a plasma grenade and blow them up
5 ✓ May 9th, 2008
Counterpoint
Kill the sword carrier
5 ✓ May 9th, 2008
Carjacking
Steal an occupied vehicle from an opponent and take it over
5 ✓ June 6th, 2008
Violent Cartographer
Play every available default map and stay in each game until it’s over
25 
Rainman
Play every available game variant, with at least 3 other players, to the end of each game
25 
King of the Scarab
Acquire the Scarab gun on the Metropolis level, any difficulty
20 
Skewer Stopper
Kill the sword carrier after they kill 5 or more times in a row with the sword
20 
Decorated Soldier
Get awarded at least 8 different medals in one non-team game
10