Blizzard's science fiction real-time strategy game StarCraft II: Wings of Liberty obliterated sales of all other games released in the US in July, NPD said.

It sold an eye-watering 721,000 units at retail. StarCraft II was released on 27th July, so those sales were achieved in just five days.

StarCraft II is the fastest-selling strategy game ever.

According to Blizzard's stats, it sold more than 1 million copies in 24 hours, and over 1.5 million copies in 48 hours, worldwide.

StarCraft II helped increase US PC game sales by a whopping 103 per cent for July, according to NPD.

Elsewhere, the Xbox 360 and PS3 versions of EA's NCAA Football 11 came in at second and third with a combined 692,000 units sold.

Scottish developer Ruffian will be celebrating after its Xbox 360 exclusive Crackdown 2 placed fourth, ahead of Super Mario Galaxy 2, the DS version of LEGO Harry Potter: Years 1-4, Red Dead Redemption on Xbox 360 and the Wii version of LEGO Harry Potter.

Square Enix will also be clinking champagne glasses after the superb Dragon Quest IX: Sentinels of the Starry Skies came in at nine.

New Super Mario Bros. Wii and the Xbox 360 version of Modern Warfare 2 completed the top 11.

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Wesley Yin-Poole

Wesley Yin-Poole

Deputy Editor

Wesley is Eurogamer's deputy editor. He likes news, interviews, and more news. He also likes Street Fighter more than anyone can get him to shut up about it.

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