Guiness World Records 2009 Gamer's edition book coverMore women than ever are discovering the joys of video games, after all, if you can't beat them, join them!

Today the Guinness World Records launch their 2009 Gamer's Edition, which encompasses everything from the history of gaming to individual scores and facts from all genres of video games.

Records include the Largest Virtual Army (America's Army, with more than 8 million registered users – almost 15 times larger than the actual US Army); the Longest Drum Marathon On Rock Band (26 hrs, 40 min); and the Most Played Online Game (Call of Duty 4, with more than 1.3 million players daily on Xbox 360 alone).

Here we take a look at more 'conventional' world record breakers...