CheatCodes.com has all the official Motor Mayhem PS2 cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Friday May 24, 2013 for Motor Mayhem are shown below.
(If you're Buzzsaw, this doen't work) If someone is chasing you, you can either backk up on them if your have a lot of health and turn to see them, lay a mine, or go where they can't go.
Set system date to December 25 and they should all have santa hats on.
Successfully complete the Eliminator levels on the normal difficulty setting to unlock the Downtown level in multi-player and quick battle modes.
Successfully complete the Deathmatch level on the normal difficulty setting to unlock the City Canal level in multi-player and quick battle modes.
Win the Eliminator, Deathmatch, and Endurance titles with the same character on the hard or very hard difficulty setting to unlock Buzzsaw.
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