Mine Cart Views
During the mine cart race in parallel 2, press R to switch to a first person view. Press L to return to normal.

Two-Player Mode
Beat parallel 5, and enter it again. The fighting tournament will now support two players.

Player Piano
At the Sound Test screen, press X, Y, Z.
Love Love Mini Racer Mini Game
Begin game play in parallel 3 use the game machine.

Gold Badges
Beat a parallel and wait until the credits have completed. Answer "Yes" to save your game. A gold roman numeral badge for the parallel that was beaten will be displayed.