All Codes must be performed during the [era:ks] screen. A voice clip will play if you entered the code correctly.
Up, Up, Down, Down, Left, Right, Left, Right, Attack, Jump
Up, Down, Next weapon, Previous Weapon
Sterbich Mode / 1-HP Mode:
Previous Weapon, Previous Weapon. Previous Weapon, Next Weapon
Left, Left, Left, Right
Up, Down, Attack, Jump