Mario Evolution!
Original title: Super Mario Bros.
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Platformer 
Gametype: Hack
Release Year: 2006
Hacked by: Googie
Version: 1.2
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Here's a smb1 hack that me and other smb1 hackers worked on. This hack originally started in 2003 when Tek Hacks used to be around (read the readme for more information) So if you have some time to kill, try the hack out. I hope you all enjoy it as much as we did working on it. =D

http://www.romhacking.net/hacks/159/