deepnight / ldtk
Modern, lightweight and efficient 2D level editor
deepnight / ldtk
KilledByAPixel / LittleJS
Tiny fast 2D/3D HTML5 game engine with many features and no dependencies.
killop / anything_about_game
A wonderful list of Game Development resources.
MovingBlocks / Terasology
Terasology - open source voxel world
nem0 / LumixEngine
3D C++ Game Engine - yet another open source game engine
gmh5225 / awesome-game-security
awesome game security [Welcome to PR]
rathena / rathena
rAthena is an open-source cross-platform MMORPG server.
ramokz / phantom-camera
A Camera addon for Godot 4. Inspired by Cinemachine.
huxingyi / dust3d
Dust3D is a cross-platform 3D modeling software that makes it easy to create low poly 3D models for video games, 3D printing, and more.
opentk / opentk
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL, OpenAL & OpenCL. It also includes windowing, mouse, keyboard and joystick input and a robust and fast math library, giving you everything you need to write your own renderer or game engine. OpenTK can be used standalone or inside a GUI on Windows, Linux, Mac.
ihhub / fheroes2
fheroes2 is a recreation of Heroes of Might and Magic II game engine
bitbrain / beehave
๐ behavior tree AI for Godot Engine
Hugo-Dz / spritefusion-pixel-snapper
A tool to snap pixels to a perfect grid. Designed to fix messy and inconsistent pixel art generated by AI.
avianphysics / avian
ECS-driven 2D and 3D physics engine for the Bevy game engine.
hi-godot / godot-ai
Production-grade MCP server and AI tools for the Godot engine. A Snap to install. Totally free and fun.
limbonaut / limboai
LimboAI - Behavior Trees and State Machines for Godot 4
gdquest-demos / godot-open-rpg
Learn to create turn-based combat with this Open Source RPG demo โ
scarsty / kys-cpp
ใ้ๅบธ็พคไพ ไผ ใc++ๅคๅป็๏ผๅทฒๅฎๅทฅ
aldegad / sprite-gen
Generate clean 2D game sprites & animation atlases โ component-row pipeline: state rows, alpha cleanup, frame extraction, runtime atlases. Codex/Claude skill.
TrenchBroom / TrenchBroom
Cross-Platform Level Editor
itchio / itch
๐ฎ The best way to play your itch.io games
YarnSpinnerTool / YarnSpinner
The core compiler and engine-agnostic components for Yarn Spinner, the friendly dialogue tool.
GDQuest / learn-gdscript
Learn Godot's GDScript programming language from zero, right in your browser, for free.
mas-bandwidth / netcode
Secure client/server protocol for multiplayer games built on top of UDP
pokepetter / ursina
A 3D and 2D game engine for Python
crownengine / crown
A complete and cross-platform game engine designed for flexibility, performance and fast iteration.
Alex-Rachel / TEngine
Unity ๅ็จ็บงๅซๅผๅๆกๆถ๏ผๅ็ๅ ็ฝฎ AI ๅทฅไฝๆตๆฏๆ๏ผ้ๆ HybridCLR ้ซๆง่ฝ็ญๆดใObfuz ไปฃ็ ๆททๆทๅ ๅบใYooAssets ไผไธ็บง่ตๆบ็ฎก็ๆนๆก๏ผๆๅปบ้ซๆใๅฎๅ จใๅฏๆฉๅฑ็ๅทฅไธๅๅผๅๅบๅบงใ
excaliburjs / Excalibur
๐ฎ Your friendly TypeScript 2D game engine for the web ๐ก๏ธ
JACoders / OpenJK
Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software
Stephane-D / SGDK
SGDK - A free and open development kit for the Sega Mega Drive
openfl / openfl
An open source library for creative expression on the web, desktop, mobile and consoles. Inspired by the classic Flash and AIR APIs.
liballeg / allegro5
The official Allegro 5 git repository. Pull requests welcome!
evennia / evennia
Python MUD/MUX/MUSH/MU* development system
gosu / gosu
2D game development library for Ruby and C++
elishacloud / dxwrapper
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.
CoderGamester / mcp-unity
Model Context Protocol (MCP) plugin to connect with Unity Editor โ designed for Cursor, Claude Code, Codex, Windsurf and other IDEs
AhmadHassan-BTed / CursedTomorrow
A 2D horror-survival and escape game built from scratch in C++. Navigate unsettling levels, survive the glitches, and escape the nightmare. Features a custom C++ game core, robust asset management, and comprehensive system architecture documentation.
raylib-zig / raylib-zig
Manually tweaked, auto-generated raylib bindings for zig. https://github.com/raysan5/raylib
BobbyAnguelov / Esoterica
Esoterica Engine
genaray / Arch
A high-performance C# based Archetype & Chunks Entity Component System (ECS) with optional multithreading.
UPBGE / upbge
UPBGE, the best integrated game engine in Blender
kaplayjs / kaplay
๐ฆ A JavaScript/TypeScript Game Library that feels like a game.
gamedev-skills / awesome-gamedev-agent-skills
74 game-dev skills for AI coding agents โ Godot, Unity, Unreal, Phaser, PixiJS, three.js, Bevy, pygame, LรVE, Roblox. Portable SKILL.md Agent Skills (the format Anthropic launched as Claude Skills), with a router that loads the right skill for your engine and task. Runs in Claude Code, Cursor, Kiro, Codex, Copilot, Gemini CLI and more.
orx / orx
ORX: Data-Driven Game Engine
microsoft / GDK
Microsoft Public GDK
pygame-community / pygame-ce
๐๐ฎ pygame - Community Edition is a FOSS Python library for multimedia applications (like games). Built on top of the excellent SDL library.
TeamHypersomnia / Hypersomnia
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in ๐ต๐ฑ
gbdev / rgbds
Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color
gustavopsantos / Reflex
Minimal dependency injection framework for Unity
EmbarkStudios / quilkin
Quilkin is a non-transparent UDP proxy specifically designed for use with large scale multiplayer dedicated game server deployments, to ensure security, access control, telemetry data, metrics and more.
openblack / openblack
openblack is an open-source game engine that supports playing Black & White (2001).
rive-app / rive-flutter
Flutter runtime for Rive
travisvroman / kohi
A game engine made as part of the Kohi Game Engine series on YouTube (and Twitch!), where we make a game engine from the ground up using C and Vulkan.
axmolengine / axmol
Open-source C++ game engine with Lua for 2D and 3D games across mobile, desktop, WebAssembly, and Xbox (UWP).
Mugen87 / yuka
JavaScript library for developing Game AI.
phaserjs / phaser-ce
Phaser CE is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.
flame-engine / awesome-flame
An awesome list that curates the best Flame games, projects, libraries, tools, tutorials, articles and more.
playcanvas / editor
Browser-based visual editor for building WebGL, WebGPU, WebXR apps
nCine / nCine
A cross-platform 2D game engine
autonomous-ai / openharness
The ultimate harness for coding agents and beyond. All your agents. All your machines. One command center. Start with code, then follow your curiosity and build across disciplines: CAD, circuits, robots, games and music.