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.
An open source reimplementation of the Among Us Server
Classic America's Army
Odamex is a free, cross-platform, modern client-server Doom engine
FreeCS is a free-software reimplementation of Counter-Strike 1.5.
The All-in-One music game
Air traffic control tower and radar simulator (solo + multi-player)
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
Cooperative multiplayer graphical RPG and adventure game
Open source voxel world
Ur-Quan Masters High Definition
Free 3D Roguelike action RPG
Super Smash Flash 2 is the most must-play battle game with 28 classic
OpenKore is an automation tool for Ragnarok Online
TKD Scoring Wi-Fi Server supporting Android and IPhone clients
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT