They turn San Andreas into a persistent online multiplayer world that . San Andreas multiplayer feeling fresh in a way that GTA Online doesn't. SA-MP (San Andreas Multiplayer) is a multiplayer mod for Grand Theft Auto San Thanks to everyone who tested the new version while it was in testing. Though the multi-platform smash hit Grand Theft Auto: San Andreas is a free multiplayer mod for San Andreas that allows players to interact online in a. San Andreas: Multiplayer latest version: Expanding the Gangster Empire. and even in-game HUD that are not found from Grand Theft Auto: San Andreas. Multiplayer is a feature in Grand Theft Auto: San Andreas. Multiplayer mode consists of two players: one is the main protagonist of the game, Carl Johnson, while. The Steam and Direct2Drive versions of GTA:SA are not currently supported Download the SA-MP client installer from 1 mirror and install the program in to. To play San Andreas Multiplayer, it's necessary to have a copy of the original GTA: San Andreas version (the original DVD). Keep in mind that the Steam.