Super Ninja Bros.
Original title: Super Mario Bros.
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Platformer 
Gametype: Hack
Release Year: 2007
Hacked by: L.Soft Hacks
Version: 1.0
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Sub Zero has to travel through different worlds even weirder than Outworld. Sub Zero must go hunt down Onaga and give him what for. Scorpion is available in Co-Op.

http://www.romhacking.net/hacks/288/