Browse free open source Multiplayer games and projects for Mac 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
OpenKore is an automation tool for Ragnarok Online
Classic America's Army
Odamex is a free, cross-platform, modern client-server Doom engine
Air traffic control tower and radar simulator (solo + multi-player)
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Ur-Quan Masters High Definition
The All-in-One music game
An open source reimplementation of the Among Us Server
Cooperative multiplayer graphical RPG and adventure game
Super Smash Flash 2 is the most must-play battle game with 28 classic
Free 3D Roguelike action RPG
TKD Scoring Wi-Fi Server supporting Android and IPhone clients
A fun realistic multiplayer free-and-open-source first-person-shooter!
Open source voxel world