These are items you can unlock by beating the game on the separate difficulties (Casual, Survival, Nightmare, Classic)
| Unlockable | How to unlock
|
|---|
| Brass Knuckles | Beat the game on Nightmare or Higher.
|
| Classic Mode | Beat the game on Nightmare.
|
| Classic Outfit | Finish the game.
|
| Drifter Outfit | Finish the game.
|
| Infinite Ammo | Complete Classic Mode.
|
| Magnum | Finish the game.
|
| Professional | Finish the game.
|
