It says a user discovered unused code in the game and was able to unlock it.
The game involves a lot of driving about and shooting people. And now, in the 'hot coffee' mod, you have to keep your girlfriends satisfied with your performance too.
It seems that when you drop in for coffee at you girlfriends' homes you can now enjoy a bit of a French polish before giving them a good seeing to in a number of positions.
The site, gtasanandreas.net, has posted a video of the goings-on, to prove, it says, that its claims are true.
PC users can enjoy the rediscovered gameplay by downloading the mod from GTA Garage here.
The video can be accessed from this page. Minors should maybe point their browsers elsewhere. µ
Next-gen devices enabled by integrating novel materials on silicon
Plus there's a new way to read comics in town
Find out which six games have most impressed us so far this year
Video shows off upcoming handset in Rose Gold compared to iPhone 6S predecessor