Beat the first level
Seppuku
33Kill yourself with your own weapon.
Attempt a level 10 times.
Attempt a level 25 times.
Beat level 4 with controls reversed.
Teachers Pet
33Beat a level with an A+ time.
Beat 5 levels without dying.
The Legend
33Beat 10 levels without dying.
Eat My Dust
33Beat the first boss.
Beat the second boss.
Beat the third boss.
Complete one secret.
Complete 10 secrets.
Die 50 times.
Die 100 times.
Upgraded!
33Get a knife modification.
Kill 25 enemies.
God Like
36Kill 50 enemies.
Explode 50 times
Find and complete the secret ending.
Complete all the levels.
Collect 15 Collectables.
Fall for it on level two.
Level 11, go to "prison".
Level 19, crash the game.
Beat half the levels.
Play Pong!
34Play Pong in the game.
Level 29, play as a scroll.
Cloud Nine
33Level 25, ride a cloud.
Smiley
33Level 9, see a smiley face.