Level select:
Quickly press Left, Left, I, Right, Right, II, Up, Down, Up, Down at the title screen.

Sound test:
Highlight the "Set-Up" option at the title screen and quickly press Left, Left, I, Right, Right, II, Up, Down, Up, Down.

See More...Continue

---

#|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z

---