Blizzard Entertainment, formerly Silicon & Synapse, is an American software company focused on games. In 2008, the company's then owner, Vivendi Games, merged with Activision to form Activision Blizzard.

Creators of World of Warcraft, Diablo Starcraft, Heartstone and Overwatch. When they started collaborating with Activision, you can also add titles like Call of Duty.