Unlockable: Hair Pirate Hat: On level 1-1 destroy Hairy Nanny Daycare Curly Hair Wig: Destroy the “Fish are like plants” building in level 1-5 Soviet Hat: Get to level 2-1 Dimond tirera: Beat level 2-2 on Hard Area 51 Hat: Get to level 3-1 Private Eye hat: Beat level 3-2 on Hard Jouster hat: Beat level 3-4 on Hard Tom Fulp hair: Name your hominid tomfulp Blond Hair: Beat last boss on hard.
Unlockable Minigames, Levels and Hats Set the player 1 name to ROYGBIV.
Unlockable 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.
Cheat: Hidden Hats In the Options Menu, where you can rename your alien, use the following names to unlock hidden hats for the 2 player game: cletus april superfly goodman grrl abe princess dandy