Unlockable Clothing
| Unlockable | How to Unlock |
|---|---|
| Black Shirt | Beat the game once on any difficulty (including Easy Difficulty). |
| Samurai Hat | Beat the game once on Samurai Difficulty. |
Achievements
| Unlockable | How to Unlock |
|---|---|
| And You Will Know Us... (13) | Impale 13 freaks. |
| Cemetery Man (20) | Complete St. Crux Cemetery using only the Chainsaw. |
| Got the Hat (40) | Beat the game on Samurai difficulty. |
| Kill You Seven Times (14) | Air juggle an enemy for 10 seconds. |
| Master of Arcade Dishwashing (15) | Complete Arcade mode. |
| Smash Your TV (13) | Secret. |
| Smasher of Zombies (25) | Beat the game on normal or ninja difficulty. |
| The Black Book Achievement (11) | Earn 100 million points in an Arcade level. |
| The Brutal Achievement (10) | Do 10 wall slams in one combo. |
| The First Encounter (10) | Secret. |
| The First Encounter (10) | Defeat the dude on the horse. |
| The Peter Moore Achievement (8) | Pay homage to one of our generation's greatest rock performances ever. |
| Untouchable (21) | Get 21 kills without getting hit once. |
Unlockable Gamerpicture
Beat Samurai difficulty to unlock a gamerpicture for your profile.
Unlockable Difficulties
| Unlockable | How to Unlock |
|---|---|
| Samurai Mode | Complete the game at least once. |
| Tourny Mode | Complete the game on Samurai Difficulty |
