A hack has just been released that allows two people to play the original NES Super Mario Bros game simultaneously, as opposed to turn-based like the original. This certainly opens a who new dynamic to playing the game!
ROM Patch: http://www.romhacking.net/hacks/4180/
Source: http://www.indieretronews.com/2018/10/a-two-player-super-mario-bros-hack-is.html
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