Use this tag for quesitons about questions that are about Blizzard Entertainment, Inc. in general or about more of their games at once, but not for questions involving a single game.
Blizzard Entertainment, Inc. is video game developing and publishing company based in Irvine, California and founded in 1991. It is currently a division of the company Activision Blizzard. It was founded under the name Silicon & Synapse.
The company originally developed software for other companies. In 1993, it started developing it's own games, like Rock n' Roll Racing and The Lost Vikings. Today, it owns many of the biggest game titles in the world, including the Warcraft series, Diablo series, StarCraft series, Hearthstone, Heroes of the Storm and Overwatch.