Enter the following at the Title Screen. The logo will warp and you'll hear a sound to confirm.Pocket Bikes:
Up, Down, R2, L2, Down, Up, L1, X.Turbo Boost:
Up, Up, Up, Triangle, R1, Triangle, R2, Up, Up, X.Reverse Mode:
Left, Right, Left, Right, Circle, Circle, R1, L1, Triangle, X.All tracks:
Up, Up, Left, Right, Down, Down, Circle, R2, Triangle, XAll Reversed Tracks:
Down, Down, Right, Left, Up, Up, Circle, L2, Triangle, X.Night tracks:
Up, Circle, L1, Down, Triangle, L2, Circle, Left, R1, X.CPU goes slower:
Down, Down, Down, Circle, L1, Circle, L2, Down, Down, X.See the Credits:
Circle, Triangle, L2, Circle, Circle, Triangle, Circle, Up, Right, Left, X.View Victory FMV:
Circle, Triangle, Circle, Triangle, Circle, Triangle, L1, Up, R2, X.Future Bikes:
Up, Up, Up, Down, L1, R2, L2, R1, Circle, X. Enables Jet Moto vehicle in Super Bike mode and surfboards in Dirt Bike mode.
Bike without rider:
Left, Left, Triangle, Right, Right, Up, Down, L1, R1, X.Rider without bike:
Right, Right, Circle, Left, Left, Down, Up, L2, R2, X.
Thanks to Revolution readers Bryn, Mike N. Tarter, Razr, Devin Moore, Segan Mansfield, Nick Severance, Eric Tribbe, Adam Lundstrom, Adam Maxfield, pAtT, Johnny Bunnell, Mike Perry, and Matt Valeich!