This page contains Twisted Metal: Head-On Codes for PSP called "Cheat Mode" and has been posted or updated on Sep 20, 2006 by Syrus. Let us know what you think of this Code by thumbs voting.
The following codes are entered during game play in single player mode. They have no effect in multi-player or online modes.
|Triangle, Down, L + R||Infinite weapons|
|Right, Left, Down, Up, L + R||Invincibility|
|Press X, Up, L + R||Killer weapons|
|X, Triangle, X, Triangle, L + R||Mega guns|
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