To access the cheat menu, go to the password screen and press Left, Up, C-Down, C-Left, C-Right, C-Up, C-Left, Down.
Code Key: 1 up 2 down 3 right 4 left 5 c-up 6 c-down 7 c-right 8 c-left
Level Password 2 12565247 4 14565457 5 16545864 9 13565577 11 24525781 13 28361621 14 26785545 16 48585278