Blond Hair: In the Options Menu, where you can rename your alien, enter Cletus.
Daisy Headdress: In the Options Menu, where you can rename your alien, enter Princess or Betty.
Diamond Tiara: In the Options Menu, where you can rename your alien, enter Abe.
Dick Tracy hat: In the Options Menu, where you can rename your alien, enter Dandy.
Jouster Hat: Beat Level 3-4 using hard difficulty.
Minigames, Levels and Hats: Set the player 1 name to ROYGBIV.
Pirate Bandana: In the Options Menu, where you can rename your alien, enter Goodman.
Private Eye Hat: Beat Level 3-2 using hard difficulty.
Red Hair: In the Options Menu, where you can rename your alien, enter April.
Soviet Union Hat: Get to level 2-1.
Super Soviet Missile Master mini-game: Finish level 1-5 and the Super Soviet Missile Master mini-game will be unlocked after the intermission sequence.
Top Hat: In the Options Menu, where you can rename your alien, enter Grrl.
