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.
Camera optionsWin all Challenge Cup events to unlock the "Flipped-cam", "Mashed-cam", "Oz-cam", and "Retro-cam" options at the "Bonus Features" menu.
Quick startDuring the pre-race countdown, press X on the on the fourth beep.