Cheat mode
At the map screen, press Up, Right, Down, Left, Up, A. If you entered the code correctly, you will hear a sound. All bonuses will be unlocked. Note: This code also disables upgrade missions.

All upgrades
At the map screen, press Up, Left, Down, Left, Up, A. If you entered the code correctly, you will hear a sound.

All unarmed upgrades
At the map screen, press Up, Down, Up, Down, A. If you entered the code correctly, you will hear a sound. Note: Enabling this code will prevent the training missions from being accessible.

All driving upgrades
At the map screen, press Left, Right, Left, Right, A. If you entered the code correctly, you will hear a sound. Note: Enabling this code will prevent the training missions from being accessible.

All weapon upgrades
At the map screen, press Right, Left, Right, Left, A. If you entered the code correctly, you will hear a sound.

Boost
At the map screen, hold Up and press A(3). If you entered the code correctly, you will hear a sound.

Greater car mass
While in a car, display the map screen, then press Down(3), A. If you entered the code correctly, you will hear a sound.

Lesser car mass
While in a car, display the map screen, then press Up(3), A. If you entered the code correctly, you will hear a sound.

Show Nick's coordinates
At the map screen, press A, B, X, Y. If you entered the code correctly, you will hear a sound.

Impound garage cars unlocked
At the map screen, press Up, Right, Down, Left, Up, A. If you entered the code correctly, you will hear a sound.

Show hidden dog bones on map
Enter "WHUPASS" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as Snoop Dogg
At the map screen, press R, L, Up, Right, Left, Down, click Left Analog-stick, click Right Analog-stick, A, X, B, Y. If you entered the code correctly, you will hear a sound. Immediately save the game before exiting to the main menu. Then, go to the mission selection screen and find a mission with Snoop's head at the top. Enter those missions to play as Snoop Dogg. To change back to Nick Kang, select a mission with Nick's head at the top. Alternately, collect all 30 bones during a game to unlock Snoop Dogg. Note: They are marked in yellow on the map.

Play as a bum
Enter "B00Z" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as a corpse
Enter "J1MM" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as a commando
Enter "M1K3" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as a SWAT member
Enter "5WAT" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as high ranking police officer
Enter "FATT" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as Officer Johnson
Enter "FUZZ" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as your female boss
Enter "B1G1" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as your partner
Enter "ROSA" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as your partner in lingerie
Enter "HURT_M3" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as a gangster
Enter "TFAN" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as an Asian worker
Enter "HARA" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as Asian high-roller
Enter "MRFU" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as Asian butcher
Enter "PHAM" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as tattoo lady
Enter "TATS" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as a street punk
Enter "MNKY" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as punk girl
Enter "B00B" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as pimp
Enter "P1MP" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as champion boxer
Enter "BRUZ" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as big biker
Enter "HAWG" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".

Play as blindfolded smoking donkey
Enter "JASS" as a license plate. Note: Hold L + R when entering the letters and selecting "OK".