Stride (formerly Xenko), a free and open-source cross-platform C# game
A generic, simple and fast implementation of Deepmind's AlphaZero
Ct.js is a desktop game engine that makes learning programming fun
Build multiplayer web games played by millions
Compatibility tool for Steam Play based on Wine and other components
Open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri
The flexible game engine
Multi Theft Auto is a game engine
Diablo build for modern operating systems
An easy to use 2D HTML5 game engine written in TypeScript
Traditional roguelike game with pixel-art graphics
DOSBox Staging is a modern continuation of DOSBox
OpenSoldat is a unique 2D (side-view) multiplayer action game
Desktop/Android/HTML5/iOS Java game development framework
Accuracy-focused XNA4 reimplementation for open platforms
Code for Cicero, an AI agent that plays the game of Diplomacy
Games for tomorrow's programmers
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Svelto ECS C# Entity Component System
Distributed server for social and realtime games and apps
Contains the code for CM-SS13
HTML5 Canvas Tower Building Game
Purpur is a drop-in replacement for Paper servers
Multi-platform 2D and 3D game engine
The Modrinth monorepo containing all code which powers Modrinth