Full list of all 12 Shoot Many Robots achievements worth 200 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Got 75 stars!
Punched two bullets, killed two robots with one punch!
Destroyed a robot overlord in multiplayer!
Revived other players 8 times!
Killed 100 robots!
People like you!
Kill 10000 robots!
Reach level 50!
Beat a mission wearing the astronaut helmet and backpack!
Beat a mission wearing the baby carrier!
Complete a mission on hard or insane without dying or drinking a beer!
Come in 1st in a four player mission!