Sphincter Cell

It's a well known (and often joked about) fact that porn companies are fond of tweaking film titles to add an extra bit of recognition to their otherwise interchangeable videos. Now, smutmongers are beginning to give video games the cultural thumbs up with titles like Jewel Raider, Space Invaderz and Grand Theft Anal. It's a good thing Namco changed Pac Man's name before bringing him to the states.

All links (except for Pac Man) are probably not safe for work.