ACHIEVEMENT - HOW TO UNLOCK
Dominate at Fatherhood - Beat a mission wearing the baby carrier!
Get Over It - Revive other players 8 times!
Greetings, Earth Citizens - Beat a mission wearing the astronaut helmet and backpack!
Happy 50th, Walter - Reach level 50!
Lookie, Many Stars - Get 75 stars!
Lower Carbon Footprints - Destroy a robot overlord in multiplayer!
Make Many Friends - Play co-op!
Number One Tugnut - Come in 1st in a four-player mission!
Punch Many Bullets - Punch two bullets, killing two robots, with one melee swing!
Shoot Many Robots - Kill 10,000 robots!
Shoot Some Robots - Kill 100 robots!
Slotally Tober Saughter - Complete a mission on hard or insane without dying or drinking a beer!