Resources for Tom....

The PEGI rating system:
http://www.tomshardware.com/news/UK-PEGI-Video-Game-Ratings-Law,16586.html
BBFC site information. The first section is applicable to your crit invest:
http://www.bbfc.co.uk/sites/default/files/attachments/Video%20Game%20Regulation%20in%20the%20UK%20-%20The%20View%20of%20Adults%20and%20Parents.pdf
Daily Mail Article:
http://www.dailymail.co.uk/news/article-2142721/Law-protect-young-video-game-violence-Shops-face-fines-sell-12s.html
Daily Mail articles. Danger of video games:
http://www.dailymail.co.uk/news/article-420218/Violent-video-games-make-children-lose-self-control.html
http://www.dailymail.co.uk/sciencetech/article-2529677/Chilling-truth-video-games-children-got-Christmas.html
http://www.dailymail.co.uk/news/article-401113/Violent-video-games-desensitise-players.html
BBC article with lots of relevant links:
http://www.bbc.co.uk/news/technology-19042908

Your draft needs more evidence of independent research. YOU MUST REFER TO THE PEGI SYSTEM. The fact that you do not refer to this system suggests you need to indulge in some research Tom. This system is at the heart of any game regulation debate. READ THESE RESOURCES.