The GTA San Andreas New Map Mod 2020 (OpenBull 1.0.0) modernizes the game with high-definition textures, updated vegetation, and expanded territory, according to GTAModMafia. Key features include improved LOD settings, interactive interiors, and high-resolution 3D satellite radar, designed for use with CLEO 4 and Modloader. Further details and installation instructions can be found at GTAModMafia.