Mario Tennis game is a ROM you can play online within your browser. This Gameboy Color ROM runs in our top-notch quality emulator at PlayRoms.net only. Play Mario Tennis GBC 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 Super Mario 64 and Mario Kart 64. This free game belongs to the Tennis and Sports category of online retro games.