Here is the full list of all 32 Good Robot achievements.
Buy a hat
Open the options menu
Kill 500 robots in a single game
Kill 1000 robots in a single game
Kill 2000 robots in a single game
Get a score of 10,000 or more in a single game
Get a score of 100,000 or more in a single game
Clear level 1
Clear level 2
Clear level 3
Clear level 4
Clear level 5
Clear level 6
Complete the game
Buy a weapon
Buy 10 weapons in a single game
Buy an upgrade
Buy 10 upgrades in a single game
Buy all upgrades in a single category
Buy a warranty
Buy a warranty 5 times in a single game
Repair yourself
Repair yourself 5 times in a single game
Read the news
Earn $10,000 in a single game
Earn $100,000 in a single game
Buy a hat at the start of the game, then complete the entire game without losing the hat.
Buy a hat at the start of any level, then complete the entire level without losing the hat.
Complete a zone without losing your hat.
Buy 10 hats in a single game
View tutorial messages
Buy a hat at the start of any level, then complete three levels without losing the hat.