Xbox 360 Action22 out of 63
Win one round of Tank Superiority
Xbox 36064 out of 62
Complete the game on the "Insanity" difficulty level without changing the setting
Xbox 360 Action3 out of 76
Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.
Xbox 36051 out of 68
Uncover an ancient secret.
Xbox 36028 out of 49
Medal of Honor
Complete 1 Mass Effect Playthrough on any setting
Xbox 360 Strategy14 out of 26
Aggressive Investment Strategy
Launch 4 Offensive Waves in any Versus game.
Xbox 360 Action51 out of 65
Open 5 foot lockers.
Xbox 36058 out of 75
Acquire 11 vampire perks
Xbox 360 Adventure17 out of 20
On A Rail
Travel by minecart to a point at least 500m in a single direction from where you started.
Xbox 360 Action7 out of 12
Like Taking Candy From a Baby
Complete the game four times, once with each character.
Xbox 36044 out of 65
Complete Dragon Age II twice, or complete it once with a save imported from Dragon Age Origins.
Xbox 36075 out of 75
Complete any three Gun Runners' Arsenal (GRA) three star (***) Challenges.
Xbox 360 Action44 out of 71
Continue playing to unlock this secret achievement.
Xbox 360 Action44 out of 60
Needle in a Haystack
Kill your target while hidden in a hay bale (Multiplayer Only).