Godot is a powerful cross-platform game engine
Set of Python modules designed for writing video games
The game engine for everyone
An updated version of the classic "Basic Computer Games" book
The Ren'Py Visual Novel Engine
Noob-proof (N)3DS Custom Firmware
A simple and easy-to-use library to enjoy videogames programming
Fast, user-friendly cross-platform custom launcher for Minecraft
Code for Cicero, an AI agent that plays the game of Diplomacy
lua dev plugin for unreal engine 4 or 5
A sharp, readable, vector-y version of Monocraft
Simple GTK# Paint Program
A refreshingly simple data-driven game engine built in Rust
Free, open source game engine online
LayaAir is an open-source 2D/3D engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open source clone of the Age of Empires II engine
Kotlin extensions for the libGDX game framework
Just another ComputerCraft fork
Go bindings for raylib, a simple and easy-to-use library
Doom-based AI research platform for reinforcement learning
Open source library for creative expression on the web, desktop, etc.
New Godot bindings for Swift
A dead simple 2D game engine for Go
3D and 2D game engine written in Rust