Frankenstein lived
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-platform, open source, and super fast MUD client with scripting
Just another ComputerCraft fork
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
3D game engine/framework in C, with Luajit and Python bindings now
A tool for converting Xbox 360 shaders to HLSL
A multi core friendly rigid body physics and collision detection lib
Doom-based AI research platform for reinforcement learning
Self-hosted CMS platform based on the Laravel PHP Framework
Go bindings for raylib, a simple and easy-to-use library
A game engine with an emphasis on real-time cutting-edge solutions
Naev is a 2d action/rpg space game, action, rpg and simulation
A fast and reliable entity component system (ECS) and much more
A game for learning CSS grid layout
Distributed server for social and realtime games and apps
2D JavaScript Physics Engine
A completely free, open-source, 2D game engine
Includes the boilerplate code for a GenLayer use case implementation
Cross-platform 2D and 3D game engine with modular architecture
Widelands is a free, open source real-time strategy game
RPG Maker 2000/2003 and EasyRPG games interpreter
A game of dungeon exploration, combat and magic
Cross-platform game engine in Rust