Stride (formerly Xenko), a free and open-source cross-platform C# game
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
A game engine powered by python and panda3d
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Ct.js is a desktop game engine that makes learning programming fun
CTFs as you need them
Diablo build for modern operating systems
ThinkPHP Framework
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Provides efficient allocation free async/await integration for Unity
A fast and reliable entity component system (ECS) and much more
Pokedex demonstrates modern Android development with Hilt
Cross-platform 2D and 3D game engine with modular architecture
The game engine for everyone
The command-line tool for quick, simple deployment and management
You can make it - Open Source MMORPG Platform
Godot game template and component-based framework
Homebrew development library for Nintendo 3DS/Horizon OS user mode
TGMC: TerraGov Marine Corps, a SS13 mod
Unity3D Client And C# Server Framework
Build multiplayer web games played by millions
Contains the code for CM-SS13
A modular Common Lisp game engine
Recreation of the classic Grand Theft Auto III game executable
A refreshingly simple data-driven game engine built in Rust