A Free, Fun, alternative Multiplayer experience.

Download Client

GrandM.exe, 45MB

Download Server: Windows, Linux


Grand Multiplayer doesn't modify your Grand Theft Auto V installation, So you can switch to GTA:O with no risk of a ban.

Quality Sync

Grand Multiplayer has sync built from the ground up providing the best quality of sync.


Create awesome user interfaces in HTML, CSS and JS with the Chromium Embedded Framework.

C++ & Lua language support

With access to the C++ API the possibilities are endless, from creating C++ Gamemodes and Plugins to extending the API out to other languages much like we have with the LUA plugin extension.