Beat the game on normal or ninja difficulty.

Pay homage to one of our generation's greatest rock performances ever.

Beat the game on Samurai difficulty.

Secret.

Earn 100 million points in an Arcade level.

Secret.

Complete St. Crux Cemetery using only the Chainsaw.

Do 10 wall slams in one combo.

Air juggle an enemy for 10 seconds.

Get 21 kills without getting hit once.

Complete Arcade mode.

Impale 13 freaks.