Top GAMEDEV GitHub Repositories & Tools (2026)

Generate clean 2D game sprites & animation atlases — component-row pipeline: state rows, alpha cleanup, frame extraction, runtime atlases. Codex/Claude skill.

A refreshingly simple data-driven game engine built in Rust

Empowering everyone to host fast and efficient Minecraft servers

A dead simple 2D game engine for Go

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Redot Engine – Multi-platform 2D and 3D game engine

A modular, extensible 2D game framework for .NET.

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.

An open source C++ game engine.

Modern C++ library for the development of real-time graphical applications

Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color

Pixel art editor made with Zig

Godot-MCP — Model Context Protocol (MCP) integration for the Godot Engine. AI tools for the Godot Editor in C#, with cloud connection to ai-game.dev. Apache-2.0.

Go bindings for Godot 4.7 GDExtension API

Cross-platform 2D game engine focused on ultimate productivity built in .NET

The Chickensoft Game Demo — a fully tested, third-person 3D game built with Godot and C#. Now with saving and loading!

:mushroom: Full stack voxel engine

A World of Tanks-style, Vite-powered, engine-free pure Three.js armored combat simulator resolving plate-level armor, ballistics, modules, spotting, and physics, with 121 tanks and 20 destructible battlefields. Playable entirely in the browser on desktop and mobile devices. Built end-to-end by a multi-agent Claude/Codex pipeline.

Game engine for 2D and 3D projects with entity component system (ECS) and data-oriented design

Your web skills, now in Unity.