Mario’s Keytastrophe game is a ROM you can play online within your browser. This Super Nintendo ROM runs in our top-notch quality emulator at PlayRoms.net only. Play Mario’s Keytastrophe SNES game online in English USA version on your desktop, tablet, and mobile. If you liked playing this emulator then you will also be interested in similar classic titles Mario’s Keytastrophe and Dr. Mario World. This free game belongs to the Puzzle and Platform category of online retro games.