Super Mario Bros: Mushroom Kingdom Chaos
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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Mario has found his way into another adventure by going after Bowser once again to get Peach back. Holy crap, Mushroom Kingdom Chaos! It's a little harder, but a little funner.

http://www.romhacking.net/hacks/257/