Vigilante 8: Second Offense cheats and cheat codes for Playstation

Cheat code screen:
Select "Game Status" at the options screen, highlight any of the 
characters, after press L1 + R1. 
Note: You can use these codes only once.

Result - cheat code:
3 enemies attack: Enter "UNDER_FIRE"
All characters available: Enter "LLA_KCOLNU"
All levels from the original Vigilante 8: Enter "OLD_LEVELS"
Big wheels: Enter "GO_MONSTER"
Disable all codes: Enter "NO_CODE"
Disable enemies in arcade mode: Enter "HOME_ALONE"
Disable wheel attachment icons: Enter "DRIVE_ONLY"
Faster cars: Enter "MORE_SPEED"
Heavier cars: Enter "GO_RAMMING"
High suspensions: Enter "JACK_IT_UP
Invincibility: Enter "ELBICNIVNI"
Lighter cars: Enter "HI_CEILING"
Moon gravity: Enter "NO_GRAVITY"
No delay when shooting: Enter "RAPID_FIRE"
Random Fast action: Enter "QUICK_PLAY"
Select same cars in multi-player: Enter "MIXED_CARS"
Slow-mo mode: Enter "GO_SLOW_MO"
Super damage missiles: Enter "BLAST_FIRE"
Unlock all ending sequences: Enter "LONG_MOVIE"
Upgrade all vehicles: Enter "LLA_DORTOH"

Listen to your own music
Pause the game play then replace Vigilante 8: Second Offense disc
with an audio CD then resume the game.

Change vehicle color
Highlight a vehicle at the vehicle selection screen and push Circle

Get access to original levels
Pause the game play, remove Vigilante 8: Second Offense disc, then insert 
the original Vigilante 8 disc. After that, you should see "V8 levels enabled"
message. Insert the Vigilante 8: Second Offense disc again. Leave the current 
game to access the original Vigilante 8 stages.


Unlock extra characters
Complete the following objectives to unlock each character:

Drifters

Unlock Chassey Blue: Complete all tasks in quest mode with Astronaunt Bob O,
Garbage Man, and Agent R. Chase.

Unlock Padre Destino: Complete all tasks in quest mode with Chassey Blue.

Unlock Dusty Earth: Complete all tasks in quest mode with Padre Destino. 
Note: You can't play in Quest Mode with Dusty.

Vigilantes

Unlock Houston: Complete all tasks in quest mode with Sheila, John Torque, 
and The Flying All-Star Trio.

Unlock Convoy: Complete all tasks in quest mode with Houston.

Unlock Dave's Cultsmen: Complete all tasks in quest mode with Convoy. 
Note: You can't play in Quest Mode with Dave's Cultsmen.

Coyotes

Unlock Lord Clyde: Complete all tasks in quest mode with Nina Loco, Molo, 
and Dallas 13.

Unlock Obake: Complete all tasks in quest mode with Lord Clyde.

Unlock Boogie: Complete all tasks in quest mode with Obake. 
Note: You can't play in Quest Mode with Boogie.


Special attacks

Bruiser Cannon
Special attack #1: Down, Up, Down, Machine Gun
Special attack #2: Down, Up, Up, Machine Gun
Special attack #3: Down, Up, Right, Machine Gun

Roadkill Mines
Special attack #1: Left, Right, Down, Machine Gun
Special attack #2: Left, Right, Up, Machine Gun
Special attack #3: Left, Right, Right, Machine Gun

Brimstone Burner
Special attack #1: Right, Left, Down, Machine Gun
Special attack #2: Right, Left, Up, Machine Gun
Special attack #3: Right, Left, Right, Machine Gun

Interceptor Missiles
Special attack #1: Up, Up, Down, Machine Gun
Special attack #2: Up, Up, Up, Machine Gun
Special attack #3: Up, Up, Right, Machine Gun

Bull's Eye Rockets
Special attack #1: Up, Down, Down, Machine Gun
Special attack #2: Up, Down, Up, Machine Gun
Special attack #3: Up, Down, Right, Machine Gun

Sky Hammer Mortar
Special attack #1: Down, Down, Down, Machine Gun
Special attack #2: Down, Down, Up, Machine Gun
Special attack #3: Down, Down, Right, Machine Gun