checked-no =>All Cars/Tracks: On the title screen, press B A Z Z B [L] A cU. To earn these cars and tracks normally, you would beat championship races in first place point standing in the various cups. =>Practice Mode Bonus Cars: Enter the practice mode for a level and locate the star hidden inside. Collect all stars in a set of tracks to earn more cars. The progress table will display the stars you have found. Find all the Easy stars to get the Ghengis Kar and Pole Pos. Get the Medium stars for the R6 Turbo and the NY 54. The Hard Mode yields the Mouse and Bertha Ballistics, and Extreme has the AMW and Toyeca. =>All Tracks: Enter the name |CARNIVAL|. =>Flips: In two player or battle mode, use cU to flip. =>Track Tricks: Beat the Time Trial challenge times on all the tracks to enable reverse tracks. Beat the TT challenges on the reverse tracks to enable the mirror tracks. Finally, beat the mirror track TT challenges to enables reverse mirror tracks.