Cross-Platform C++ 2D/3D game engine
A nonsense activity generator
LayaAir is an open-source 2D/3D engine
Open Source real-time strategy game engine for early Westwood games
A Fabric mod designed to improve the general performance of Minecraft
OpenSoldat is a unique 2D (side-view) multiplayer action game
2D game development library for Ruby and C++
A dead simple 2D game library for Go
Vulkan renderer mod for Minecraft
A multithreaded Minecraft server built for redstone
Just another ComputerCraft fork
Distributed server for social and realtime games and apps
Java/JavaFX/Kotlin Game Library (Engine)
An open source flight dynamics & control software library
A Flutter based game engine
Self-hosted CMS platform based on the Laravel PHP Framework
RPG Maker 2000/2003 and EasyRPG games interpreter
3D Procedural Game Engine Using OpenGL
CTFs as you need them
A fast and reliable entity component system (ECS) and much more
Open source clone of Theme Hospital
Examples for 3DS using devkitARM, libctru, citro3d and citro2d
A isometric city builder in JavaScript
A Grub Theme in the style of Minecraft!
Open-source engine for Heroes of Might and Magic III