Free and open source real-time strategy game
A certain block game
Build multiplayer web games played by millions
s&box is a modern game engine, built on Valve's Source 2
Open-source Android/Desktop remake of Civ V
OpenSoldat is a unique 2D (side-view) multiplayer action game
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
An open-source sandbox tower defense game
A lightweight, modular and versatile mod loader for Minecraft Bedrock
Multiplayer FPS game - Counter-Strike: Football
An open source reimplementation of the Among Us Server
Xash3D FWGS engine
Dedicated Game Server Hosting and Scaling for Multiplayer Games
Real Time Strategy game engine supporting early Westwood classics
Minecraft map editor and mod
Gradient Bang is an online multiplayer universe
You can make it - Open Source MMORPG Platform
Empowering everyone to host fast and efficient Minecraft servers
Classic overhead run-and-gun game
Fully async, multithreaded, predictive, open source, 3.01 reach
Source code repository of the FreeOrion project
Voxel game-creation platform with easy modding and game creation
YimMenu, a GTA V menu protecting against a wide ranges
Open source simulation game based on Transport Tycoon Deluxe
Magic Another Game Engine