The games operate through Blizzard's online gaming service. Their most recent projects include the online collectible card game Hearthstone the multiplayer online battle arena Heroes of the Storm the remaster of the original StarCraft and its expansion Brood War, StarCraft: Remastered the replacement and sequel to the multiplayer first-person hero shooter Overwatch, Overwatch 2 the ninth expansion for World of Warcraft, Dragonflight and the sequel to Diablo III, Diablo IV.

Since then, Blizzard Entertainment has created several Warcraft sequels, including highly influential massively multiplayer online role-playing game World of Warcraft in 2004, as well as three other multi-million selling video game franchises: Diablo, StarCraft and Overwatch. Shortly after, Blizzard released Warcraft: Orcs & Humans. 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.

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. by three graduates of the University of California, Los Angeles: Michael Morhaime, Frank Pearce and Allen Adham. A subsidiary of Activision Blizzard, the company was founded on February 8, 1991, under the name Silicon & Synapse, Inc.

is an American video game developer and publisher based in Irvine, California.

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