The content refers to a popular modification (mod) shared by the creator that allows players to experience the GTA Vice City map within GTA San Andreas on PC .
: This comprehensive mod combines all three classic 3D-era maps— GTA III (Liberty City) , GTA Vice City , and GTA San Andreas —into a single game world. Players can fly or teleport between these different cities, each retaining its unique vehicles and NPCs.
Extracting the files into the of a clean (unmodded) installation of GTA San Andreas.
: These mods utilize the more advanced San Andreas engine to provide better draw distances and effects compared to the original 2002 Vice City release. Installation Overview