Enlarge (credit: Blizzard Entertainment) The corporate behemoth organism that is Blizzard Entertainment, which exists in a symbiotic state next to megaton game publisher Activision, became bigger on Friday with a surprise announcement: It has absorbed a game studio within the Activision family, effective immediately. Vicarious Visions, a longtime game studio that was acquired by Activision in 2005, has been shuffled out of the Activision ecosystem and pumped directly into Blizzard's veins.