UK IV plummeted by 77% in week two, but the game still hung-on to the all-formats top spot.

The game's number one status for week two also saw the game pass one million in sales, the dominating proceedings with 62% of all sales.

Wii Fit remains second, sales again having dropped somewhat, Play sliding up into third ahead of and at the Olympic Games in fourth.

Iron Man is up to five, with 4 at six, Pro Evo 2008 at seven, and GT5 Prologue at eight.

Mario Kart Wii and Brain Training complete the all-formats top ten.

More soon.

By Luke Guttridge