Call of Duty: continues to break the records set by its developed predecessor 2.

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After hauling in 650 million USD in the first five days of sale alone, has now broken the 1 billion USD mark for all round the world.

Activision CEO and president said: "In all of entertainment, only and 'Avatar' have ever achieved the billion dollar revenue milestone this quickly. This is a tribute to the global appeal of the Call of Duty franchise, the exceptional talent at and the hundreds of extraordinary people across our many Call of Duty studios including Infinity Ward and that work tirelessly on the franchise. Our ability to provide the most compelling, immersive entertainment experience, and enhance it with regular, recurring content that delivers hundreds of hours of audience value, has allowed Call of Duty to continue to set sales and usage records."

He added: "This extraordinary milestone was achieved because of the tens of millions of passionate Call of Duty players around the world. Global audiences have logged billions of hours with Call of Duty games on LIVE, the PlayStation Network and on personal computers. This unique level of community engagement has enabled Call of Duty to become one of the world's most engaged online communities.

By Ewan Aiton