Alien Hominid - Area 51 Hat

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.