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.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A collection of all maps and games made for the TripleA game engine
Classic America's Army
An open-source, multiplayer modification for the game Subnautica
An open source reimplementation of the Among Us Server
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
FreeCS is a free-software reimplementation of Counter-Strike 1.5.
Open source voxel world
Ur-Quan Masters High Definition
SRB2 Kart Public
FiveM (GTA: V, Grand Theft Auto V Multiplayer) utilities
Super Smash Flash 2 is the most must-play battle game with 28 classic
OpenKore is an automation tool for Ragnarok Online