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