- Superdeform mode
Successfully complete the Pink Starfish level in Super Cop mode to unlock Superdeform mode. In this mode, you will have big head, feet, and hands.

- Fists Of Flame mode
Successfully complete the Abattoir level in Super Cop mode to unlock Fists Of Flame mode.

- Cabal Boss multi-player skin
Successfully complete the Dock Yard level in Super Cop mode to unlock the Cabal Boss multi-player skin.

- Activate Cheats
Enter 'DoggieStyle' as a case-sensitive name to unlock all bonuses.

- Incredibly Fit Dog mode
Successfully complete the Under Rink level in Super Cop mode to unlock Incredibly Fit Dog mode. In this mode, you will have unlimited Shadow attacks.

- Normal Challenge mode
Successfully complete Story mode on the normal difficulty setting to unlock Challenge mode with the normal difficulty setting.

- Other multi-player skins and levels
Successfully complete one of the following chapters in Story mode on the normal difficulty setting to unlock the indicated skin or level:

Cabal 2 skin	Chapter 10
Militia Boss skin	Chapter 8
Triad Boss skin	Chapter 6
Triad 2 skin	Chapter 4
Bar level	Chapter 2
Cabal 1 skin	Chapter 9
Biker Boss skin	Chapter 3
Jack 2 skin	Chapter 5
Biker 2 skin	Chapter 1
Mansion level	Chapter 11
Militia 2 skin	Chapter 7
Whisper skin	Chapter 12

- Infinite ammunition
Successfully complete the Groove level in Super Cop mode.

- All weapons
Successfully complete the Villa level in Super Cop mode.

- Infinite adrenaline
Successfully complete the Back Streets level in Super Cop mode.

- Maxine multi-player skin
Successfully complete the Manson level in Super Cop mode to unlock the Maxine multi-player skin.

- Super Cop mode
Successfully complete Story mode on the normal difficulty setting to unlock Super Cop mode.

- No Damage mode
Successfully complete the Roof Tops level in Super Cop mode to unlock No Damage mode.