Sega Master System – is the third generation game console and one of the main achievements of the Sega Company. It was released in 1986 in Japan and a year later it appeared in United States and Europe. The most popular game released for the SMS, was Sonic the Hedgehog, which still appeals to many gamers. Other games, which are considered exclusive are ALF, Battle of Run and Astro Warrior. There was also a built-in secret game, which has been available without a cartridge by pressing the keys D, 1, 2. The game was simple, but fascinating and it has become one of the advantages of SMS console. Although you can buy the console in Brazil, you will have difficulties to find working cartridges for reasonable price. Therefore, we recommand you to download emulator and play Sega Master System roms games for free on your computer. Afterwards you might decide to buy it or not.