At the main menu, press Up, Right, Down, Left, Up, Left, Down, Right, Up, Down, Up, Down to unlock all options at the "Bonus Features" menu.

Win all Challenge Cup events to unlock the "Flipped-cam", "Mashed-cam", "Oz-cam", and "Retro-cam" options at the "Bonus Features" menu.

During the pre-race countdown, press X on the on the fourth beep.