Overwatch was a 2016 team-based multiplayer first-person shooter game by Blizzard Entertainment. The game was first released for PlayStation 4, Windows, and Xbox One in May 2016 and Nintendo Switch in October 2019. Cross-platform play was supported across all platforms.

Blizzard Entertainment, Inc. is an American video game developer and publisher based in Irvine, California. A subsidiary of Activision Blizzard, the company was founded in February 1991 as Silicon & Synapse, Inc. by three graduates of the University of California, Los Angeles: Michael Morhaime, Frank Pearce and Allen Adham. The company originally concentrated on the creation of game ports for other studios' games before beginning development of their own software in 1993, with games like Rock n' Roll Racing and The Lost Vikings. In 1993, the company became Chaos Studios, Inc., and then Blizzard Entertainment soon after being acquired by distributor Davidson & Associates early in the following year. Shortly after, Blizzard released Warcraft: Orcs & Humans.