The Dreamcast is a home video game console released by Sega on November 27, 1998, in Japan; September 9, 1999, in North America; and October 14, 1999, in Europe. It was the first sixth-generation video game console, preceding Sony's PlayStation 2, Nintendo's GameCube, and Microsoft's Xbox. The Dreamcast was discontinued in 2001, ending Sega's 18 years in the console market.

Sega Corporation is a Japanese multinational video game company headquartered in Shinagawa, Tokyo. Its international branches, Sega of America and Sega Europe, are headquartered in Irvine, California, and London. Its division for the development of arcade games and home video games, Sega Games, has existed in its current state since 2020; from 2015 to that point, the two had made up separate entities known as Sega Games and Sega Interactive Co., Ltd. Sega is a subsidiary of Sega Sammy Holdings. From 1983 until 2001, Sega also developed video game consoles.