Cairo Station
Complete Cairo Station at Normal, Heroic, or Legendary
30 ✓ December 18th, 2008
Outskirts
Complete Outskirts at Normal, Heroic, or Legendary
30 ✓ December 18th, 2008
Metropolis
Complete Metropolis at Normal, Heroic, or Legendary
30 ✓ January 1st, 2009
The Arbiter
Complete The Arbiter at Normal, Heroic, or Legendary
30 ✓ January 2nd, 2009
Oracle
Complete The Oracle at Normal, Heroic, or Legendary
30 ✓ January 2nd, 2009
Delta Halo
Complete Delta Halo at Normal, Heroic, or Legendary
30 ✓ January 2nd, 2009
Regret
Complete Regret at Normal, Heroic, or Legendary
30 ✓ January 2nd, 2009
Sacred Icon
Complete Sacred Icon at Normal, Heroic, or Legendary
30 ✓ July 4th, 2009
Violent Cartographer
Play every available default map and stay in each game until it’s over
25 ✓ January 28th, 2013
Rainman
Play every available game variant, with at least 3 other players, to the end of each game
25 ✓ January 28th, 2013
Double Kill
Kill 2 opponents within 4 seconds
20 ✓ January 15th, 2010
Triple Kill
Kill 3 opponents within 4 seconds
20 ✓ January 28th, 2013
Killtacular
Kill 4 opponents within 4 seconds
20 ✓ January 28th, 2013
Killing Spree
Kill 5 opponents in a row in the same game, without dying
20 ✓ January 15th, 2010
Running Riot
Kill 10 opponents in a row in the same game, without dying
20 ✓ January 15th, 2010
Skewer Stopper
Kill the sword carrier after they kill 5 or more times in a row with the sword
20 ✓ January 15th, 2010
Air Traffic Control
Blow up the Banshee in flight while manned, with grenades or the rocket launcher
20 ✓ January 15th, 2010
Ninja
In a non-team game, kill 5 people by melee, from behind
20 ✓ January 15th, 2010
Flaming Ninja
Kill an opponent that has the Ninja achievement
20 ✓ January 15th, 2010
Hired Gun
Kill an opponent who has the Legend achievement
20 ✓ January 28th, 2013
Sniper Kill
Kill an opponent with the sniper rifle or the beam rifle
10 ✓ January 15th, 2010
Roadkill
Run over, hit and kill an opponent with a vehicle
10 ✓ January 15th, 2010
Bonecracker
Hit and kill an opponent with a melee attack
10 ✓ January 15th, 2010
Assassin
Melee an opponent from behind
10 ✓ January 15th, 2010
Vigilante
Stop a Killing Spree of another player
10 ✓ January 15th, 2010
Decorated Soldier
Get awarded at least 8 different medals in one non-team game
10 ✓ January 28th, 2013
Stick It
Stick an opponent with a plasma grenade and blow them up
5 ✓ January 15th, 2010
Counterpoint
Kill the sword carrier
5 ✓ January 15th, 2010
Carjacking
Steal an occupied vehicle from an opponent and take it over
5 ✓ January 15th, 2010
Warrior
Complete the game on Normal difficulty
100 
Hero
Complete the game on Heroic difficulty
50 
Legend
Complete the game on Legendary difficulty
50 
Gravemind
Complete Gravemind at Normal, Heroic, or Legendary
30 
Uprising
Complete Uprising at Normal, Heroic, or Legendary
30 
High Charity
Complete High Charity at Normal, Heroic, or Legendary
30 
The Great Journey
Complete The Great Journey at Normal, Heroic, or Legendary
30 
Quarantine Zone
Complete Quarantine Zone at Normal, Heroic, or Legendary
30 
Demon
Complete any campaign level without dying once on Normal, Heroic, or Legendary
25 
King of the Scarab
Acquire the Scarab gun on the Metropolis level, any difficulty
20 
Silent but Deadly
Kill 7 opponents from behind in a row without being spotted, any level, any difficulty
20 
Go Ape Shiv
Kill an enraged, berserk Brute by melee, any level, any difficulty
20