Get to cave 21 in endless mode
Try out every outfit combination
Get to cave 14 in endless mode
Complete story mode with all characters
Complete story mode with Tommy
Complete story mode with Mr. Baker
Take out 1978 enemies
Complete story mode with Donna
Complete story mode with Liz
Pick up more than 10 hearts in one game
Survive 8 caves without taking a hit
Complete a cave with more than 50 lasers in it