Best Open Source game engine Libraries
A curated list of the most popular GitHub repositories tagged with game engine. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1godotengine/godot
Godot Engine – Multi-platform 2D and 3D game engine
#2ocornut/imgui
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
#3bevyengine/bevy
A refreshingly simple data-driven game engine built in Rust
#4raysan5/raylib
A simple and easy-to-use library to enjoy videogames programming
#5BabylonJS/Babylon.js
Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.
#6libgdx/libgdx
Desktop/Android/HTML5/iOS Java game development framework
#7leereilly/games
Archived — A list of games, add-ons, maps, etc. hosted on GitHub. Any genre. Any platform. Any engine.
#84ian/GDevelop
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
#9cocos2d/cocos2d-x
Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.
#10aframevr/aframe
:a: Web framework for building virtual reality experiences.
#11playcanvas/engine
Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF
#12SFTtech/openage
Clone of the Age of Empires II engine 🚀
#13MonoGame/MonoGame
One framework for creating powerful cross-platform games.
#14hajimehoshi/ebiten
A dead simple 2D game engine for Go
#15luanti-org/luanti
Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation
#16skypjack/entt
Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
#17boardgameio/boardgame.io
State Management and Multiplayer Networking for Turn-Based Games
#18jrouwe/JoltPhysics
A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.
#19egametang/ET
Unity3D Client And C# Server Framework
#20cocos/cocos-engine
Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D games and instant web entertainment.
#21o3de/o3de
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
#22FyroxEngine/Fyrox
3D and 2D game engine written in Rust
#23turanszkij/WickedEngine
3D engine with modern graphics
#24FlaxEngine/FlaxEngine
Flax Engine – multi-platform 3D game engine
#25BoomingTech/Piccolo
Piccolo (formerly Pilot) – mini game engine for games104