Beat a boss
Kill over 350 Enemies in a Single Level
Die while a Boss is Exploding
Tilt 10 times in a row
Finish a 100th run
Unlock all the Perks
Unlock a weapon
Jump and Remain Airborn for 45 Seconds
Finish a 10th run
Unlock all the Guns
Finish the game (non uberwin)
Finish a 50th run
332
4043