Razzia
Quiz game platform, designed for smaller self-hosted events (alternative to Kahoot!).
12 self-hosted alternatives to DDraceNetwork (2026)
Cooperative platformer version of DDRace, a Teeworlds modification featuring unique cooperative gameplay.
0 A.D. source
Cross-platform real-time strategy game of ancient warfare.
A Dark Room
Minimalist text adventure game for your browser.
Digibuzzer source
Create a virtual game room around a connected buzzer (documentation in French).
Hypersomnia
Competitive top-down shooter blending Counter-Strike with Hotline Miami. Runs on Linux, Windows, MacOS and the Web.
Lila source
Ad-less chess server powering lichess.org, with official iOS and Android client apps.
Luanti source
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.
Mindustry source
Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities.
MTA:SA source
Add network play functionality to Rockstar North's Grand Theft Auto game series, in which this functionality is not originally found.
OpenTTD source
Transport tycoon simulation game.
piqueserver
Server for openspades, the first-person shooter in a destructible voxel world.
Posio
Geography multiplayer game.