🐝 behavior tree AI for Godot Engine
FNA - Accuracy-focused XNA4 reimplementation for open platforms
A complete and cross-platform game engine designed for flexibility, performance and fast iteration.
Vulkan bindings for Rust
🎮 Your friendly TypeScript 2D game engine for the web 🗡️
An open source library for creative expression on the web, desktop, mobile and consoles. Inspired by the classic Flash and AIR APIs.
Fixes compatibility issues with older games running on Windows 10/11 by wrapping DirectX dlls. Also allows loading custom libraries with the file extension .asi into game processes.
Esoterica Engine
A high-performance C# based Archetype & Chunks Entity Component System (ECS) with optional multithreading.
ORX: Data-Driven Game Engine
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱
Application and plugin framework written in Zig
Browser-based visual editor for building WebGL, WebGPU, WebXR apps
A cross-platform 2D game engine
.NET bindings for Direct3D12, Direct3D11, WIC, Direct2D1, XInput, XAudio, X3DAudio, DXC, Direct3D9 and DirectInput.
Curated, CC0 reference hub for 3D, VFX, and game dev. 3,400+ tools, assets, and tutorials across 12 sections. Searchable, filterable, free.
A curated list of awesome Ebitengine frameworks, libraries and software
DotRecast - a C# port of Recast & Detour, Industry-standard navigation mesh toolset for .NET, Unity3D, games, servers
Entity Component System focused on usability and flexibility.
A small C# game framework
Agentic skills framework for Godot 4.x. Domain-specific skills for AI coding agents (Claude Code, Copilot, Antigravity, Cursor)
🍒 Cherry — Go game server framework powered by Actor Model. Serial goroutine per actor, NATS/etcd discovery, pluggable connectors (TCP/WS/HTTP), protobuf & object-pooled messaging, time wheel, snowflake. Born for MMO/SLG/RPG, scales to millions.
High-performance C# ECS
Nakama Godot Client SDK
🎮 · Jazz² Resurrection: Native C++ reimplementation of Jazz Jackrabbit 2
🎮 · Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
Tetra3D is a 3D hybrid software/hardware renderer made for games written in Go with Ebitengine.
Unity MCP Server — 268 tools for AI-assisted game development. Connect Claude, Cursor, or any MCP client to Unity Editor & Unity Hub. Scene management, GameObjects, components, builds, profiling, Shader Graph, Amplify, terrain, physics, NavMesh, animation, MPPM multiplayer & more. Free & open source by AnkleBreaker Studio.
A World of Tanks-style armored combat simulator built directly with Three.js and Vite: 220 vehicles, 33 destructible battlefields, and 13 modes, with plate-level armor, ballistics, modules, spotting, and physics. Play in your browser on desktop or mobile. Built end-to-end by a multi-agent Claude/Codex pipeline.
Open-source roguelike shooter for Android. Simple controls, no ads, no tracking, no internet permission. Free forever under GPLv3.
A modular, extensible 2D game framework for .NET.
A Cities: Skylines-class city builder running in the browser, built in Three.js by AI agents. Code ships when it's finished.
Best Claude Opus 5.5 video & visual demos, curated with prompts · 149 精选可视化案例 + 1019 完整清单(游戏/3D/动效/讲解/可视化)
Reclaim the Intermediate, Binaries and cache folders your Unreal Engine projects and engines quietly hoard — without touching anything you authored.
Build, inspect, test, and debug Godot games from your terminal. Automate repetitive work with scripts, or let an agent use the same commands. No agent, model, or AI account is required. MCP is an optional interface.
DeepSeek Harness plugin: control the Unity Editor through the unity CLI
🎮 Tencent Game-Creation-Agents (GCA) is an end-to-end pipeline that turns a natural-language idea into a playable, verified browser game.
Open-source AI tools for making games, and for decompiling, remixing and mashing up games you own. 100+ stars, active in the last year, refreshed daily.
The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
A Flutter based game engine.
A fast entity component system (ECS) for C & C++
Space exploration, trading, and combat game.
Redot Engine – Multi-platform 2D and 3D game engine
A statically typed lisp, without a GC, for real-time applications.
Lightweight and modular C++11 graphics middleware for games and data visualization
high-performance rendering backend (C++, Python, C#, Java)
Node Editor built using Dear ImGui
A curated list of Game Boy development resources such as tools, docs, emulators, related projects and open-source ROMs.
A modern cross-platform low-level graphics library and rendering framework
A wonderful list of Game Development resources.
Terasology - open source voxel world
Learn to create turn-based combat with this Open Source RPG demo ⚔
The core compiler and engine-agnostic components for Yarn Spinner, the friendly dialogue tool.
Lua Virtual Reality Framework
3D game engine with lua scripting
A small, dependency-free node editor for dear imgui
pyglet is a cross-platform windowing and multimedia library for Python, for developing games and other visually rich applications.
Source code for the Mun language and runtime.
A permissively licensed C and C++ Task Scheduler for creating parallel programs. Requires C++11 support.