Rockstar has had trouble in the past with the British Board of Film Classification’s. Games such as Manhunt 2 has been banned by the BBFC in the past and failed to make a release.
Grand Theft Auto IV has passed BBFC ratings with any cuts and got an 18-rating for strong violence, very strong language, and sex and drug references.
During gameplay the character can pick up prostitutes and pay for three different levels of service. What follows is an un-detailed portrayal of masturbation, fellatio and intercourse. The character can also visit lap dancing clubs and request a private dance. While the game contains sexualised dancing and the portrayal of sex, there is no sexualised nudity.
BBFC state:
While the game contains sexualised dancing and the portrayal of sex, there is no sexualised nudity
For more information on GTAIV and BBFC, see the article written by Joystiq.
