At the main menu, hold down L, B, and R (in this order), then release the buttons in the following order: B, R, L.
Activate cheat mode and enter 863768.
Activate cheat mode and enter 209697.
Activate cheat mode and enter 860475.
Activate cheat mode and enter 637522.
Activate cheat mode and enter 352117.
Activate cheat mode and enter 822777.
Activate cheat mode and enter 939376.
Activate cheat mode and enter 643861.
Activate cheats mode and enter 504330.
Activate cheat mode and enter 622600.
Activate cheat mode and enter 154974.
Activate cheat mode and enter 394804.