Top Game Engine repositories

Repositories with the GitHub topic “game-engine”: 40 repositories with 747k stars between them, mostly written in C++, C# and Rust. The highest-rated is godotengine/godot, #118 on the bestofgithub Elo ladder.

Biggest movers this week

horizon-rust/horizon

Open on GitHubRust
  • Diamond V
  • New & Rising · Nov 2026
  • New & Rising · Oct 2026

Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.

  • 1,921+45 Elo, change today
  • +502 stars gained
  • 10.2k stars
  • 1.7k forks
  • 54 watchers
git
git clone https://github.com/horizon-rust/horizon.git
  • differential-testing
  • game-engine
  • gamedev
  • linux

melonjs/melonJS

Open on GitHubJavaScript

A modern & fully featured HTML5 game engine (2D & 3D) for JavaScript/TypeScript, with WebGL/WebGPU rendering, built-in physics, Tiled map & glTF support and WebAudio.

  • 1,448−8 Elo, change today
  • 6.5k stars
  • 680 forks
git
git clone https://github.com/melonjs/melonJS.git
  • 2d
  • 3d
  • agent-skills
  • canvas

Kavex/GameDev-Resources

Open on GitHub

:video_game: :game_die: A wonderful list of Game Development resources.

  • 1,526+16 Elo, change today
  • 7.1k stars
  • 625 forks
git
git clone https://github.com/Kavex/GameDev-Resources.git
  • 2d
  • 2d-framework
  • 2d-game
  • 2d-game-engine

o3de/o3de

Open on GitHubC++

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.

  • 1,604−5 Elo, change today
  • 9.8k stars
  • 2.5k forks
git
git clone https://github.com/o3de/o3de.git
  • 3d-graphics
  • 3d-graphics-engine
  • animation
  • game-development

FlaxEngine/FlaxEngine

Open on GitHubC++

Flax Engine – multi-platform 3D game engine

  • 1,430+2 Elo, change today
  • 7.1k stars
  • 733 forks
git
git clone https://github.com/FlaxEngine/FlaxEngine.git
  • c-sharp
  • cpp
  • engine
  • flax

horizon-rust/horizon

Open on GitHubRust
  • Diamond V
  • New & Rising · Nov 2026
  • New & Rising · Oct 2026

Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.

  • 1,921+45 Elo, change today
  • +502 stars gained
  • 10.2k stars
  • 1.7k forks
  • 54 watchers
git
git clone https://github.com/horizon-rust/horizon.git
  • differential-testing
  • game-engine
  • gamedev
  • linux

Top 40 on the Elo ladder

  1. #118
    godotengine/godot

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

    2,213 Elo +6120kC++
  2. #508
    bevyengine/bevy

    A refreshingly simple data-driven game engine built in Rust

    1,972 Elo −3149.7kRust
  3. #546
    ocornut/imgui

    Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

    1,958 Elo −3577.1kC++
  4. #600
    4ian/GDevelop

    🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

    1,941 Elo +2928.9kJavaScript
  5. #681
    horizon-rust/horizon

    Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses…

    1,921 Elo +30510.2kRust
  6. #933
    raysan5/raylib

    A simple and easy-to-use library to enjoy videogames programming

    1,869 Elo −935.6kC
  7. #1,250
    BabylonJS/Babylon.js

    Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript…

    1,820 Elo +2326.3kTypeScript
  8. #1,542
    ellisonleao/magictools

    :video_game: :pencil: A list of Game Development resources to make magic happen.

    1,779 Elo +2617.7kMarkdown
  9. #1,665
    playcanvas/engine

    Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF

    1,765 Elo +4217.3kJavaScript
  10. #1,785
    kitao/pyxel

    A retro game engine for Python

    1,751 Elo +1918.6kRust
  11. #1,838
    OpenRA/OpenRA

    Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C#…

    1,745 Elo −1017.7kC#
  12. #1,940
    libgdx/libgdx

    Desktop/Android/HTML5/iOS Java game development framework

    1,734 Elo −1125.5kJava
  13. #2,095
    jrouwe/JoltPhysics

    A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR…

    1,717 Elo +3412.3kC++
  14. #2,560
    luanti-org/luanti

    Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation

    1,670 Elo +513.8kC++
  15. #2,883
    leereilly/games

    Archived — A list of games, add-ons, maps, etc. hosted on GitHub. Any genre. Any platform. Any engine.

    1,646 Elo −4625k
  16. #2,899
    aframevr/aframe

    :a: Web framework for building virtual reality experiences.

    1,645 Elo −717.7kJavaScript
  17. #2,901
    cocos2d/cocos2d-x

    Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across…

    1,644 Elo −3219.2kC++
  18. #3,192
    MonoGame/MonoGame

    One framework for creating powerful cross-platform games.

    1,624 Elo +414.6kC#
  19. #3,506
    o3de/o3de

    Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators…

    1,604 Elo +649.8kC++
  20. #3,974
    skypjack/entt

    Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more

    1,575 Elo +3613.2kC++
  21. #4,126
    SFTtech/openage

    Clone of the Age of Empires II engine 🚀

    1,566 Elo +1914.6kPython
  22. #4,465
    cocos/cocos-engine

    Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine…

    1,547 Elo +449.9kC++
  23. #4,506
    hajimehoshi/ebiten

    A dead simple 2D game engine for Go

    1,545 Elo +3813.6kGo
  24. #4,861
    Kavex/GameDev-Resources

    :video_game: :game_die: A wonderful list of Game Development resources.

    1,526 Elo +767.1k
  25. #4,906
    SanderMertens/flecs

    A fast entity component system (ECS) for C & C++

    1,524 Elo +208.8kC
  26. #5,134
    renpy/renpy

    The Ren'Py Visual Novel Engine

    1,513 Elo +417kRen'Py
  27. #5,375
    FyroxEngine/Fyrox

    3D and 2D game engine written in Rust

    1,502 Elo +269.6kRust
  28. #5,908
    egametang/ET

    Unity3D Client And C# Server Framework

    1,478 Elo −79.9kC#
  29. #5,963
    flame-engine/flame

    A Flutter based game engine.

    1,475 Elo +610.8kDart
  30. #6,058
    boardgameio/boardgame.io

    State Management and Multiplayer Networking for Turn-Based Games

    1,471 Elo +512.4kTypeScript
  31. #6,611
    melonjs/melonJS

    A modern & fully featured HTML5 game engine (2D & 3D) for JavaScript/TypeScript, with WebGL/WebGPU rendering, built-in…

    1,448 Elo +866.5kJavaScript
  32. #6,702
    turanszkij/WickedEngine

    3D engine with modern graphics

    1,445 Elo +327.3kC++
  33. #6,780
    OpenDiablo2/OpenDiablo2

    An open source re-implementation of Diablo 2

    1,442 Elo −411.1kGo
  34. #7,051
    stride3d/stride

    Stride (formerly Xenko), a free and open-source cross-platform C# game engine.

    1,431 Elo −67.9kC#
  35. #7,077
    FlaxEngine/FlaxEngine

    Flax Engine – multi-platform 3D game engine

    1,430 Elo +517.1kC++
  36. #7,540
    BoomingTech/Piccolo

    Piccolo (formerly Pilot) – mini game engine for games104

    1,413 Elo +66.7kC++
  37. #7,942
    sschmid/Entitas

    Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity

    1,398 Elo +17.6kC#
  38. #8,057
    defold/defold

    Defold is a completely free to use game engine for development of desktop, console, mobile and web games.

    1,394 Elo +106.4kC++
  39. #8,988
    amethyst/amethyst

    Data-oriented and data-driven game engine written in Rust

    1,351 Elo −78kRust
  40. #10,021
    shinyobjectz/raea

    Render Anything Engine: tell your AI what to make. Videos, motion graphics, 3D and games as React and TypeScript…

    965 Elo +3192.5kTypeScript