City Of Sin 3D describes itself as a game where "your sexiest fantasies come to life
and your reality is enhanced by each exciting moment of play.
 

  Choose a character from the 
  game menu or make your
  own custom avatar exactly 
  the way you want it. Male or
  Female; itís always all up to you

CityOfSin3D is one of the virtual real sex game where you can shoot you own porn HD videos.
 
Choose your own CityOfSin3D character and put them in scene you want.
 
Pick your favorite CityOfSin3D pose from library and enjoy Hardcore sex simulation with Straight and Lesbian sex.
 
Enjoy hot 3D animated Babes from CityOfSin3D.

When you combine that technology with a virtual 3D game, you get something even more amazing. Especially if the said game offers 4K quality, which, in turn, makes the 3D hotties look as realistic as they possibly can be.