Defeat ten enemies with grenades by aiming while hanging

Pick a letter that shows up 4 or more times in a puzzle

Defeat 20 enemies with headshots

Defeat 50 enemies with hand-to-hand combat

Pick 5 letters in a row in one puzzle

Beat the qualifier time on any Time Trial stretch

Complete a chapter without getting shot

Watch the demo mode to the end.

Upload some music to your system, play that music while playing with detuned, and maximize one of the distortive sound effects.

Dance with four elephants around the chair.

Issue any two button combo.

Use the camera controls to zoom in or out.

Defeat 20 enemies with hand-to-hand combat