Clean Pause Screen:
While the game is paused, press X+Y.

Easy Points In Team Mode:
Battle the first team and win. For the second battle, choose the same order and lose on purpose. At the continue screen, let the counter get to zero. In single mode, battle the first team and win. Lose on purpose to the second team. At the continue screen, let the counter get to zero. If you fight more after the first battle, you may lose points.

Omake Data:
Put your game into a PC CD-ROM drive, and access the omake directory for some pictures and web pages.

Thanks to Revolution reader Ben Jenkins!