New video games classification rules come into effect in UK | Latest Industry News | News | Features, Press and Policy | BCS - The Chartered Institute for IT The corker in this is the comment about 18 ratings for games with sexually explicit content. Love it. So you can move out, have sex, get married, have kids, get a full time job and even join the Army at 16, but you can't play a violent video game until you are 18. On a separate note, why is there no rating for books like the fifty shades of grey? It's worse than a Razzle story.