- Playstation 2
Look like female worker
Hold L1 and R1 while you enter the following license plate: HARA
Look like gambler
Hold L1 and R1 while you enter the following license plate: MRFU
Look like gangster
Hold L1 and R1 while you enter the following license plate: TFAN
Look like hobo
Hold L1 and R1 while you enter the following license plate: B00Z
Look like male punk
Hold L1 and R1 while you enter the following license plate: MNKY
Look like male worker
Hold L1 and R1 while you enter the following license plate: HARA
Look like pimp
Hold L1 and R1 while you enter the following license plate: P1MP
Look like Rosie
Hold L1 and R1 while you enter the following license plate: ROSA
Look like S&M donkey
Hold L1 and R1 while you enter the following license plate: JASS
Look like SWAT
Hold L1 and R1 while you enter the following license plate: 5WAT
Look like the chief
Hold L1 and R1 while you enter the following license plate: B1G1
Rosie in lingerie
Hold L1 and R1 while you enter the following license plate: HURTM3
Show Dog Bones
Hold L1 R1 while entering WHUPASS for the license plate and confirming.
Show Nick's position
At map screen hit X, CIRCLE, SQUARE, TRIANGLE.
Unlock all melee combat skills
At map screen hit UP, DOWN, UP, DOWN, X.
Unlock bonus movie sequence
Get all three endings by winning all of the episodes, including the alternate ones.
Change Nick's car color
When creating your license plate hold L1 R1 and press DOWN and UP.
Get all driving skills
At map screen hit LEFT, RIGHT, LEFT, RIGHT, X.
Get all gun skills
At map screen hit RIGHT, LEFT, RIGHT, LEFT, X.
Get all moves, cars, and weapon bits
At the map screen hit UP, RIGHT, DOWN, LEFT, UP, X.
Increase car size
At map screen hit DOWN, DOWN, DOWN, X.
Look like a cop
Hold L1 and R1 while you enter the following license plate: FUZZ
Look like a cop 2
Hold L1 and R1 while you enter the following license plate: FATT
Look like a corpse
Hold L1 and R1 while you enter the following license plate: J1MM
Look like biker
Hold L1 and R1 while you enter the following license plate: HAWG
Look like boxer
Hold L1 and R1 while you enter the following license plate: BRUZ
Look like butcher
Hold L1 and R1 while you enter the following license plate: PHAM
Look like commando
Hold L1 and R1 while you enter the following license plate: M1K3
Look like concubine
Hold L1 and R1 while you enter the following license plate: TATS
Look like female punk
Hold L1 and R1 while you enter the following license plate: B00B