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Playstation - Michelin Rally Masters cheats

Cheat mode - Unlock everything:
Go to the options, then select the "Code Entry" tab. Enter the 
following cheat code to the "Code Entry" screen: "J20X4CRFL4ZT"

Michelin Rally Masters Game Shark Codes:
Need GS 2.2 or Higher

Maximum Score 
D009D90C 0000
8009D90C 03E7
E009D913 0000
3009D913 00FF