Hold L hard + R light + Y + A button 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.

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.

Successfully complete the game under the extreme difficulty setting.

Successfully complete The Gauntlet level to unlock the extreme difficulty setting.

Successfully complete the game under any difficulty setting.

Move the Right Analog-stick and the flames surrounding "Loading" will also move.