Cheat Codes:
Press Esc, then hold down F12 and press the directional keys as follows:
Unlock Doors - up, up, right, right, up, up, up, up Maximum Sword Power - up, up, left, left, right, right, left, left Full Health - up, up, up, left, left, left, left, left Skip Level - left, right, left, up, right, up, up, up