Mindustry
Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities.
Self-hosted Games software
Multiplayer game servers and browser games.
20 apps, ranked by GitHub stars weighted by maintenance health.
Luanti
Voxel game engine (formerly Minetest). Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server.
OpenTTD
Transport tycoon simulation game.
The Battle for Wesnoth
Turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat.
Lila
Ad-less chess server powering lichess.org, with official iOS and Android client apps.
Veloren
Multiplayer RPG. Inspired by Cube World, Legend of Zelda, Dwarf Fortress and Minecraft.
Hypersomnia
Competitive top-down shooter blending Counter-Strike with Hotline Miami. Runs on Linux, Windows, MacOS and the Web.
Razzia
Quiz game platform, designed for smaller events (alternative to Kahoot!).
Zero-K
Traditional real time strategy game on the Springrts engine, with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play.
DDraceNetwork
Cooperative platformer version of DDRace, a Teeworlds modification featuring unique cooperative gameplay.
Scribble.rs
Web-based pictionary game.
Suroi
2D battle royale game inspired by surviv.io.
MTA:SA
Add network play functionality to Rockstar North's Grand Theft Auto game series, in which this functionality is not originally found.
piqueserver
Server for openspades, the first-person shooter in a destructible voxel world.
Red Eclipse 2
Arena first-person shooter similar to Unreal Tournament.
A Dark Room
Minimalist text adventure game for your browser.
0 A.D.
Cross-platform real-time strategy game of ancient warfare.
Digibuzzer
Create a virtual game room around a connected buzzer (documentation in French).
Posio
Geography multiplayer game.
Cubiks-2048
Clone of 2048 game in 3D.