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The '''[https://en.wikipedia.org/wiki/Master_System Sega Master System]''' (SMS) was an 8-bit console released by [https://en.wikipedia.org/wiki/Sega Sega] in 1985-1989. It it was designed to be a direct competitor to the [[Nintendo Entertainment System emulators|Nintendo Entertainment System]], and was technically superior to it.  There are a lot of hardware similarities between the SMS and the Game Gear (GG). Notably, SMS game cartridges can actually be played on the '''[[gametech:Sega Game Gear|Game Gear]]''' via an adapter. For this reason, most SMS emulators can also run GG games. Internally the Master System extends Sega's older SG-1000 by adding a single new video mode; since the SG-1000 was built from the same CPU, video and audio chips as the ColecoVision many Master System emulators also run ColecoVision games.