Game shark codes:

Master code "must be on"
0E3C7DF21645EBB3
0C072FA3F893D77F

All cheats on  
2C21144BF8FCCDF0

Big head mode  
2C21144BF8FCCEFE  

Tiny mode  
2C21144BF8FCFDFE 

Unlimited turbos  
2C21144BF8FCFEF1