The Sega Master System is an 8-bit home video game console released by Sega in 1985. It was designed to compete with the Nintendo Entertainment System and featured a library of games that included popular titles like Sonic the Hedgehog and Alex Kidd in Miracle World. The console was known for its graphics and sound capabilities, which were advanced for its time. The Sega Master System was available in various regions, with different versions released in North America, Europe, and Japan. Although it struggled to gain a significant market share against its competitors, it developed a loyal fan base and is remembered fondly by retro gaming enthusiasts today.