Blizzard Entertainment is an American video game developer and publisher headquartered in Irvine, California. It is a division of Activision Blizzard. Blizzard is the creator of several successful PC games, including the Warcraft, StarCraft and Diablo series, and the MMORPG World of Warcraft.
Blizzard Entertainment offers events to meet players and to announce games, the BlizzCon in California, United States, and the Blizzard Worldwide Invitational in other countries.