Modern Warfare 3 had what is being called the biggest entertainment launch of all time, according to

The Web site reported that more than 6.5 million copies of the latest game from the Call of Duty line in the US and the UK, totalling more than $400 million in sales in the first 24 hours.

We believe the launch of Call of Duty: Modern Warfare 3 is the biggest entertainment launch of all time in any medium, and we achieved this record with sales from only two territories, said Activision Blizzard CEO Bobby Kotick, according to USA Today.

Modern Warfare 3 is the latest in the Call of Duty Franchise, coming a year after the highly successful Black Ops.