Master code
Press Up, Right, Down, Left, Right(2), Up, Down, Left, Right, Up, Left, Right(2), Down, Square at the main menu to unlock most bonuses in the game.

Mike Diaz
Press Up, Left, Down, Right(2), Left, Up, Down, Up, Right, Square at the main menu to unlock Mike Dias in free play and ProQuest modes. A sound will confirm correct code entry.

Amish guy
Press Up, Left, Down, Right(2), Left(2), Down, Up, Left, Square at the main menu to unlock Amish guy in free play and ProQuest modes. A sound will confirm correct code entry.

All bikes
Press Up, Left, Down, Right, Down(2), Right, Down(2), Left, Square at the main menu. A sound will confirm correct code entry.

Level select
Press Up, Down(2), Left, Right, Down, Square at the main menu. A sound will confirm correct code entry.

All themes in park editor
Press Up, Left, Down, Right, Down, Up, Down, Right, Left(2), Square at the main menu. A sound will confirm correct code entry.

All objects in park editor
Press Up, Left, Down, Right, Down, Up(2), Down, Right(2), Square at the main menu. A sound will confirm correct code entry.