The co-founders of Blizzard Entertainment's Blizzard North unit - as well as a prominent vice president who served as the public voice of the company - shocked Vivendi and the gaming world by resigning from the gaming powerhouse they helped build. The Blizzard North unit was responsible for creating the 'Diablo' franchise, one of the most successful games in the industry's history.

Vivendi Universal currently stands as the world's second largest maker of games for the PC, they have been trying to sell Blizzard unit for some time now however without success, in the last couple of weeks value of Blizzard is said to have gone from an estimated $1.95 billion to $800 million.