Tom Chatfield in Prospect (UK): The complexity of games like Warcraft and Eve is not the only aspect of modern gaming to defy stereotype. Consider demographics: where once gaming was the preserve of adolescent males, players increasingly come from all age groups and both sexes. According to the Entertainment Software Association of America, the world's largest gaming association, the average American video game player is now 35 years old and has been playing games for 12 years, while the avera