Shoot Some Robots - Kill 100 robots!
Greetings, Earth Citizens - Beat a mission wearing the astronaut helmet and backpack!
Lookie, Many Stars - Get 75 stars!
Dominate at Fatherhood - Beat a mission wearing the baby carrier!
Slotally Tober Saughter - Complete a mission on hard or insane without dying or drinking juice!
Punch Many Bullets - Punch two bullets, killing two robots, with one melee swing!
Get Over It - Revive other players 8 times!
Make Many Friends - Have someone you invite join you in an online game!
Number One Tugnut - Come in 1st in a four player mission!
Happy 50th, Walter - Reach level 50!
Lower Carbon Footprints - Destroy a robot overlord in multiplayer!
Shoot Many Robots - Kill 10000 robots!