Cheat mode:
Hold L (hard) + R (light) + Y + A + LEFT ANALOG-STICK RIGHT then press START during
game play. Your character will speak to confirm correct code entry. A cheat menu
with "Invincibility", "Level Warp" options will be unlocked.

All feats and spells:
Hold L (hard) + R (light) + Y + A and press LEFT ANALOG-STICK RIGHT during game
play. Your character will speak to confirm correct code entry.
Note: This will reduce your character's statistics!

Control loading screen:
Move the Right Analog-stick and the flames surrounding "Loading" will also move.