• Level Passwords

Password - Effect

2200, 6800, 5120, 7420 - Level 1
4501, 8111, 7421, 1051, 3351 - Level 2
4502, 8112, 7422, 1052, 3352 - Level 3
6803, 0513, 9723, 3353, 5653 - Level 4
8114, 2814, 1134, 5654, 7954 - Level 5
0515 - Final Level

Note: There are several codes listed under each level. They correspond to the different areas in that level, respectively.
  • Sound Test

A the title screen, press Right, Down/Left, Down, Down/Right, II.