In the video game world there is a sub-culture where some very talented people ( I call them "Artists" ) create what they call "MODS". Basically they create a line of code to give a character or vehicle a whole new look & then they embed that code into the game. In this video we see the main character of "Grand Theft Auto" replaced with Batman & his car is now the Tumbler Batmobile...sweet!
Here's another one where they made the car a 1995 Batmobile:
