The Grand Theft Auto franchise has a rich history when it comes to modding and tinkering, but we're pretty confident the community has never seen anything like this. Created by Dryxio , this new mod combines GTA Vice City , GTA San Andreas , and GTA III into one multiversal entity interconnected through real-time, fully functional portals that let you travel between the three different games as if it were just a regular window. The video above showcases just how insane this mod really is. It starts with CJ on Grove Street in San Andreas shooting at NPCs in different parts of the game (The Strip). Then, he moves toward the pink portal, shoots at NPCs once again, and just casually goes through it to end up in GTA Vice City as Tommy Vercetti. He wreaks havoc, walks back to the portal, and crosses through to Vice City as CJ, only to go to GTA III and repeat the same thing there.…