Ass Creed fights off ProStreet
UK Charts: COD4 at three.
Ubisoft's Assassin's Creed has managed to hold on to the number one position in the UK all formats charts, despite a 32 per cent drop in sales, GamesIndustry.biz reports.
EA's annual update of its key racing franchise - Need for Speed: Pro Street - debuts at number two in the chart, while Activision's Call of Duty 4: Modern Warfare slips to three with a 46 per cent drop in sales.
The Simpsons Game is at four, with Nintendo's DS title Dr Kawashima's Brain Training seeing a 30 per cent sales boost as it climbs to number five.
Konami's Pro Evolution Soccer 2008 also fights its way back up the charts from nine to six, while Super Mario Galaxy for the Wii falls to seven.
THQ's WWE Smackdown Vs RAW falls to eight, EA's FIFA 08 is at nine and Activision's Guitar Hero III: Legends of Rock makes its debut at ten.
There are four other new entries in the top 40 this week, all of which have been heavily marketed by their respective publishers.
Microsoft's Xbox 360 exclusive Mass Effect charts at 12, while Sega's Mario and Sonic and the Olympic Games is at 14.
Eidos' new IP Kane & Lynch: Dead Men is at 16 and Midway's PC shooter Unreal Tournament III just scrapes into the charts at number 40.
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