This page lists all cheats and unlockables in Twisted Metal: Head-On.
Freeze Missile: Up, Down, Up
Shield: Right, Right, Down, Down
Drop Mine: Right, Left, Down
Invisibility: Left Left Down Down
Radial Blast/Flak: Up, Down, Left, Right (Shockwave destroy's incoming missiles)
Rear Fire: Up, Down, Down
Napalm: Right, Left, Up, Up+Fire button
Note: These cheats require you to hold the L1 and R1 buttons while entering these codes.
- Health Recharged: Enter TRIANGLE, X, SQUARE, CIRCLE
- Infinite Ammo: Enter TRIANGLE, TRIANGLE, DOWN, DOWN
- Invunerable: Enter RIGHT, LEFT, DOWN, UP, LEFT
- Infinite Weapons: Enter TRIANGLE, TRIANGLE, DOWN, DOWN
- Killer Weapons: Enter X, X, UP, UP
- Mega Guns: Enter X, TRIANGLE, X, TRIANGLE
- Paris Death Match: Complete Paris mini-game.
- Egypt Death Match: Complete Egypt mini-game.
- Rome Death Match: Complete Roman Ruins mini-game.
- Greece Death Match: Complete Greece mini-game.
- Transylvania Death Match: Complete Transylvania mini-game. (PS2 version only)
- Tokyo Streets Death Match: Complete Tokyo Streets mini-game.
- Axel: Complete Russia mini-game.
- Mr. Slam: Complete Los Angeles mini-game.
- Crimson Fury: Complete Monaco mini-game.
- Hammerhead: Complete Tokyo Rooftops mini-game.
- Cousin Eddy: Beat stage four (4) of the single player story mode with any character.
- ATV: Beat stage four (4) of the single player story mode with any character.
- Dark Tooth: Beat the single player story mode with any character.
- Tower Tooth Challenge Stage: Complete the Story mode with any five characters on any difficulty. You can play as Tower Tooth against several opponents in the Rome Death Match stage only.
- All Endings: Complete the Story mode with the character whose ending you want to unlock. You can then watch the endings any time you'd like.