Incredibly, similar problems were observed in couples who played. In the group that reported poor marital satisfaction, disputes over WoW cataclysm Gold gaming were reported as well as the disruption of the bedtime routines.

"It's not the game hours that matter," Lundberg said. "It's really what it does to the relationship--whether or not it creates conflict and quarrelling over the game."

Activision Blizzard posts $1 billion profit in 2011

It's not a surprise that WoW Cataclysm Classic was the most popular game in 2011. The day before, Activision Blizzard reported its annual earnings report for 2011 and the popularity in the popular first-person shooting series led to records of $1.08 billion, on revenue in the range of $4.76 billion. This is a substantial improvement from the year before, when the company's profits were $418 million from revenues in the range of $4.45 billion.

Modern Warfare 3 was a important factor in the bottom line of ActivisionBlizzard.

Activision Blizzard did not reveal specific sales figures on Modern Warfare 3, but it did highlight the game's social network, WoW Cataclysm Classic: Elite. At the time of writing the platform has 7 million registered users and more than 1.5 million sign up for the premium tier of $50.

It's not surprising that the company announced that a new installment of the WoW Cataclysm Classic franchise will be out in 2012. The company also announced that it was developing Elite 2.0, with details to be announced in the coming months.

It is also possible that Activision Blizzard's investment in the market for toys has paid dividends. The company named Skylanders Spyro's Adventure the No. number one game for children in 2011, and added the company sold over 20 million toy that were based on the Skylanders franchise. The company is planning to launch an additional installment in this series called Skylanders Giants, in 2012.

Blizzard Entertainment has released a few pieces of bad announcements. The company has decided not to release its highly popular action RPG WoW Cataclysm Classic during the first quarter of the year. The Blizzard's Michael Morhaime said that the company now has the release date of April-June of the game. It will be supported by at least one additional game, possibly Starcraft II: Heart of the Swarm or WoW Cataclysm Classic: Mists of Pandaria.

The company also announced it was cheap WoW Cataclysm Classic Gold continues to reduce its users. The most popular genre-defining massively multiplayer online game ended its year by having 10.2 million players which is down from 10.3 million at the close of September.