Cheat mode:
Hold L hard + R light + Y + A + Left Analog-stick Right then press Start during game play. 
A cheat menu with Invincibility and 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. 
Note: This will reduce your character's statistics. 

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