0 Gung-hoHave a 1 to 5 or worse Kill to Death ratio in a multiplayer match.
0 Stop Hittin' Yourself!Accumulate 50 suicides over Xbox LIVE in any mode.
10 Hostest With The MostestHost and complete 100 multiplayer matches.
10 More Ammo For Me!Perform 300 reloads in any multiplayer mode.
10 Snake In The GrassKill 10 enemies while crouching in any multiplayer mode.
10 Sneaky, Sneaky...Accumulate 30 kills with a silencer over Xbox LIVE.
10 You're The Best... AroundBe the most skillful player in a Ranked Match.
100 Soldier Of FortuneComplete the game on the hardest difficulty setting.
110 The Real DealComplete the game without dying on Normal or Hard difficulty.
20 Aim In VeinAchieve a 25% vital zone hit ratio in a multiplayer match.
20 Assassination KingAchieve 15 kills with a sniper rifle in a single Ranked Match - Deathmatch.
20 Bullets Everywhere...Kill 10 opponents with a machine gun during a single Ranked Match - Team Elimination.
20 ButcherAccumulate 100 kills with the knife over Xbox LIVE in any mode.
20 Cash And PrizesKill 75 enemies by shooting them in the groin in any multiplayer mode.
20 Complete Al Qa’imComplete the Al Qa’im level on the hardest difficulty setting.
20 Complete DonetskComplete the Donetsk levels on the hardest difficulty setting.
20 Complete EshkashemComplete the Eshkashem levels on the hardest difficulty setting.
20 Complete LleboComplete the Llebo levels on the hardest difficulty setting.
20 Complete MogaungComplete the Mogaung levels on the hardest difficulty setting.
20 Do It From BehindKill 50 opponents in Ranked Matches with a knife attack from behind.
20 Every Bullet CountsFinish a multiplayer match with 100% accuracy (Minimum of 10 kills).
20 Flag FragKill 30 enemy flag carriers in Capture The Flag.
20 Head Of The ClassAccumulate 100 headshots over Xbox LIVE in any mode.
20 How EmbarrassingKill 4 members of the opposing team while carrying their flag.
20 I Got Shotgun...Get 20 kills with a shotgun in a single Ranked Match - Capture The Flag.
20 It’s Not The Size...Achieve 50 kills using pistols in any multiplayer mode.
20 Nades For EveryoneGet a triple kill with an explosive during a single Ranked Match - Team Deathmatch.
20 One Shot Is All I Need!Achieve 5 headshots in a row without dying using a sniper rifle in a multiplayer match.
20 Quicker Than Diet And ExercisePerform a dismemberment at every point on the enemies' bodies.
20 Speed KillsKill 5 enemies in 5 seconds in any game mode.
20 Spray And PrayAchieve 5 kills in a row without dying with an SMG in a single Ranked Match - Elimination.
20 The Black KnightShoot off all 4 limbs on any combination of players over the course of a multiplayer match.
20 The Impossible ShotAchieve 10 kills from a distance greater than 100 feet without a scope in any multiplayer mode.
20 There Is No Blue Wire!Disarm 15 bombs in Demolition mode.
20 This Is My Rifle...Kill the bomb carrier with an assault rifle 5 times in a single Ranked Match - Demolition.
20 Where's The Competition?Have a 5 to 1 or better Kill to Death ratio in a multiplayer match (minimum of 20 kills).
30 No MercyKill 1000 enemies throughout the campaign.
30 Not Enough MilkPerform 500 dismemberments throughout the campaign.
50 Daddy LonglegsAccumulate 250 dismemberments in any multiplayer mode.
50 Mission AccomplishedComplete the game on any difficulty setting.