Pornography is featured throughout the GTA series.
Appearances in games
In Grand Theft Auto: Vice City, there is a pornographic film company (InterGlobal Studios) on Prawn Island, run by Steve Scott. Several missions involve working for Steve, including meeting porn star Candy Suxxx.
In Grand Theft Auto IV, Joseph Kaplan runs a pornography website and shop. Niko Bellic and Dimitri Rascalov go to meet Joseph, who has not paid his protection money.
There are a number of sex shops in GTA IV and Grand Theft Auto: San Andreas, some of which can be entered. There are enterable shops in Hove Beach, Star Junction and on the Las Venturas strip.