Teddy Boy ROM Download for Sega Master System (Sega Master) on Emulator Games. Play Teddy Boy game that is available in the United States of America (USA) version only on this website. Teddy Boy is a Sega Master System emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Wonder Boy, Wonder Boy In Monster Land and Wonder Boy III - The Dragon's Trap as shown below. Teddy Boy works on all your devices in high quality.