Cheats:

 [t][a][b]       - Keen keys
 [a][2][Return]  - Debug mode
 [F10]-[J]       - Jump cheat
 [F10]-[G]       - God mode
 [F10]-[W]       - Warp
 [F10]-[E]       - Finishes level
 [F10]-[N]       - Clipping on/off
 [F10]-[I]       - Shows items
 [F10]-[B]       - Changes border colour
 [F10]-[C]       - Shows number of items
 [F10]-[D]       - Records demo
 [F10]-[M]       - Memory in use
 [F10]-[S]       - Slowmotion
 [F10]-[T]       - Tests sprites

FunCheat:

 Try to rest on one of the moons in the PYRAMID OF THE MOONS. Adults
 only !!! Works only once per game.