Password screen
Highlight "Game Status" at the Options menu. Then press L1 + R1.

Rapid fire
Enter "RAPID_FIRE" as a password to remove the delay when shooting weapons.

Super missiles
Enter "BLAST_FIRE" as a password to increase the damage from missiles.

Faster cars
Enter "MORE_SPEED" as a password.

Heavier cars
Enter "GO_RAMMING" as a password to increase your car's weight and ramming ability.

Fast action
Enter "QUICK_PLAY" as a password to enable a random fast action arcade feature.

Attract enemies
Enter "UNDER_FIRE" as a password to have three enemies attack simultaneously.

Slow-motion mode
Enter "GO_SLOW_MO" as a password.

No enemies in arcade mode
Enter "HOME_ALONE" as a password.

No gravity
Enter "NO_GRAVITY" as a password to reduce gravity to the point that your car will almost float when a bump is hit.

High suspensions
Enter "JACK_IT_UP" as a password.

Big wheels
Enter "GO_MONSTER" as a password.

No wheel attachment icons
Enter "DRIVE_ONLY" as a password to disable wheel attachment icons from spawning.

View all ending sequences
Enter "LONG_MOVIE" as a password to view all endings in one continuous sequence.

Same cars in multi-player
Enter "MIXES_CARS" as a password to allow more than one person to select the same car in multi-player mode.

Original levels
Pause the game, remove the game disc, then insert the original Vigilante 8 disc. If done correctly, the message "V8 levels enabled" will be displayed. Insert the Vigilante 8: Second Offense disc again. Then, quit the current game to access the original Vigilante 8 levels as well as the new levels.

Invincibility
At the password screen type Invincible backwards ELBICNIVNI.

All Cars Have Maximum Stats
Enter the code Hotrod All backwards LLA DORTOH to get a new chasis for all the vehicles.

Unlock all characters
Enter the code Unlock All backwards LLA KCOLNU to get all the vehicles.

Vigilante 8 Levels
Enter OLD LEVELS on the password screen to get the origional Vigilante 8 levels.