Alex Kidd in Shinobi World game is a ROM you can play online within your browser. This Sega Master System ROM runs in our top-notch quality emulator at only. Play Alex Kidd in Shinobi World 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 Alex Kidd in Miracle World and Alex Kidd in the Enchanted Castle. This free game belongs to the Alex Kidd and Shinobi category of online retro games.