Level select: Press Down, Left, II, Up,
Up, I, Select at the title screen. Press
I to advance to the next level. A sound will confirm correct
code entry.
Ten continues: Press I, Left, Down, Down,
Select, Right, Down, Right at the
title screen.
Twenty continues: Press Down, Left, II, Up,
II, Down, Right, Left at the title
screen.
Maximum life: Press Up, Select, I, Up,
Down, Down, Left, Down at the title
screen.
