Ghouls 'n Ghosts cheats and cheat codes for Nintendo Wii

Level Select
Repeat several times the following  button combination at the title screen:
Up, Down, Left, Right

If you done correctly, you'll hear a harp, then press any of the following 
button combination to select the indicated levels:

Town of Fire level: Push Up + A, Start.
The Village of Decay level: Push Up, Start.
The Ice Slopes level: Push Left + A, Start.
The Floating Island level: Push A, Start.
The Execution Place level: Push Start.
The Crystal Forest level: Push Left, Start.
Middle of Castle level: Push Right + A, Start.
Loki level: Push Down/Right, Start.
Horrible Faced Mountain level: Push Down + A, Start.
Beginning of Castle level: Push Right, Start.
Baron Rankle's Tower level: Push Down, Start.


Invincibility
Wait until the "Start" appear on the screen, then press 
A, A, A, A, UP, DOWN, LEFT, RIGHT. If the code is accepted, you will hear 
a sound of chime. Then press and hold B, then START. If you done correctly, 
you will hear another sound. Finally, press and hold C, then press 
START to activate invincibility.

Japanese Play:
Go to the Options screen, then choose 26 for music and 56 for sound selection. 
Then hold DOWN/LEFT + A + B + C + START.

Slow-motion mode:
Input the Level Select, Invincibility, or Japanese Play cheats. 
Start the game, then press start to pause the gameplay.
Hold B and you will resume the game in slow motion mode.