Activision Blizzard is a major video game developer, publisher, and distributor known for blockbuster franchises including Call of Duty, World of Warcraft, Diablo, Overwatch, and Candy Crush Saga. Formed in 2008 through the merger of Activision and Vivendi Games (including Blizzard Entertainment), it expanded into mobile gaming with the 2016 acquisition of King. The company was acquired by Microsoft in 2023 for $69 billion and now operates as part of Microsoft's gaming division.