Xbox 36046 out of 62
Shoot and kill 20 enemies while they're knocked back by a punch
Xbox 360 Action43 out of 69
A Spoonful of Blamite
Kill 10 enemies in Firefight or Campaign with a supercombine explosion.
Xbox 360 Action17 out of 38
Collect 10 Story Scrolls. (primary profile)
Xbox 360 Action6 out of 8
Last Man Standing
Defeated an opponent using a super move
Xbox 360 Action56 out of 80
Kill an enemy with the Siren's action skill
Xbox 360 Adventure13 out of 32
Just Like Being There
Play any individual activity with another player online
Xbox 360 Adventure10 out of 50
Ignite a Brute's back 5 times in Campaign or Escalation.
Xbox 360 Sports20 out of 70
Roll Them Over
Force your opponent to roll 3 times in a match when reaching for the ball in Table Tennis
Xbox 360 Puzzle2 out of 44
Sack of Potatoes
Get hit by a Motivator and survive until the next checkpoint.
Xbox 360 Action27 out of 48
Subvert all the main faction missions in Bowa-Seko - the Southern Territory
Xbox 360 Puzzle5 out of 8
Scan your head
Xbox 360 Action16 out of 43
The start of something big
Win any mission, whether campaign or What-If
Xbox 360 Action9 out of 54
Continue playing to unlock this secret achievement.
Xbox 360 Action54 out of 79
On a Legendary map, get 5 Warthog chaingun kills during any ranked or social match.