Castlevania Extreme
Original title: Castlevania
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Platformer 
Gametype: Hack
Players: 1
Hacked by: Inccubus
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A Castlevania I hack by Inccubus. 

http://castlevania.wikia.com/wiki/Castlevania_Extreme