Browse free open source Multiplayer games and projects for Linux below. Use the toggles on the left to filter open source Multiplayer games by OS, license, language, programming language, and project status.
A collection of all maps and games made for the TripleA game engine
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Classic America's Army
Ur-Quan Masters High Definition
An open source reimplementation of the Among Us Server
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
Air traffic control tower and radar simulator (solo + multi-player)
FreeCS is a free-software reimplementation of Counter-Strike 1.5.
Cooperative multiplayer graphical RPG and adventure game
The All-in-One music game
OpenKore is an automation tool for Ragnarok Online
Open source voxel world
Odamex is a free, cross-platform, modern client-server Doom engine
Free 3D Roguelike action RPG
TKD Scoring Wi-Fi Server supporting Android and IPhone clients