Activision Blizzard’s business performance Twenty years ago, Activision Blizzard was synonymous with computer gaming. However, in the past decade or so, Activision Blizzard has been severely hit by the raising of games, mobile phones, SaaS, and subscription systems, and the company’s active user has been declining, Activision Blizzard lost half of its active users in four years (around 20 millions active users lost).