Invincibility
In the title screen, enter A, A, A, A, Up, Up, Down, Down, Left, Right, Left, Right, B, Start.
Level Select
Press [Up, Down, Left, Right] repeatedly at the title screen. You'll hear a harp if you did it right. Enter one of the following controller actions to select the corresponding level.
The Execution Place: Press Start.
The Floating Island: Press A, Start.
The Village of Decay: Press Up, Start.
Town of Fire: Press Up + A, Start.
Baron Rankle's Tower: Press Down, Start.
Horrible Faced Mountain: Press Down + A, Start.
The Crystal Forest: Press Left, Start.
The Ice Slopes: Press Left + A, Start.
Beginning of Castle: Press Right, Start.
Middle of Castle: Press Right + A, Start.
Loki: Press Down/Right, Start.
Slow-Mo Cheat
At the title screen press Up, A, Down, A, Left, A, Right, A. Begin the game, press start to pause, and hold B and unpause to resume gameplay in Slow-Motion.
The Genie has more
Ghouls N´ Ghosts Cheats at CheatingDome.com.