DSOGaming writes: “Modder dkluin has released a new version of his GTA: Underground mod for Grand Theft Auto: San Andreas. According to its description, this mod focuses on implementing the old 3D era maps and combining them together on the San Andreas engine. This includes maps from GTA: III, GTA: Vice City, Manhunt, Manhunt 2, Bully, and GTA: San Andreas itself.”
Source: N4G PC GTA: Underground combines San Andreas, Liberty City, Vice City, Manhunt & Bullworth into one big map