open the game
beat the game with at least one of each item
beat the game with no items
beat the game with all colors set to the same color
beat the game using "your wings", with only player (white) upgrades
beat the game using "light wings", with only support upgrades
beat a quickie game using "still wings", with only square upgrades
lose 500 HP in one game
pick "inflation" with "no savings" enabled
play a game with every challenge enabled
beat the game with every challenge enabled
hit 8 squares with a single bullet
beat a quickie game with over 20 speed (real wings recommended)
complete the museum
break an upgrade button
beat a quickie game
beat an xtreme game
beat the game without using wings
play without moving your gun for 30 seconds