Wonder Boy game is a ROM you can play online within your browser. This Sega Master System ROM runs in our top-notch quality emulator at PlayRoms.net only. Play Wonder Boy Sega Master 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 Wonder Boy In Monster Land and Wonder Boy in Monster World. This free game belongs to the Wonder Boy and Platform category of online retro games.