All Hallows Eve
Original title: Ghosts 'n Goblins
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Platformer 
Gametype: Hack
Hacked by: Plimoth Legaue Studios
Version: Patch
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A very difficult hack of Ghosts N Goblins for the NES. Everything has been edited except for the last three levels. A minor note, Satan can only be defeated by the cross.

http://www.zophar.net/hacks/nes/ghosts-n-goblins/all-hallows-eve.html