1.4ian / GDevelop
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
- game
- javascript
- gamedev
- game-development
- game-engine
- html5
- +13 more
Ranked by Attention Score: stars gained over the last 30 complete days
1–100 of 148 by Attention Score · Oct 6, 2026 – Nov 4, 2026 (UTC)
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
Run DLSS 5 Neural Rendering on your AMD GPU. Magic!
THE FIRST DLSS 5 MANAGER
PC, Android, iOS and macOS port of the ICO (PS2) decompilation (nathanialf/ico): Windows, Linux, Steam Deck, Android, iPhone via LiveContainer and Apple-silicon Mac (contributed). Contains no game data.
Native Pokémon Emerald port for Nintendo 3DS, featuring dual-screen gameplay, stereoscopic 3D, and a fully 3D world.
A PSP emulator for Android, Windows, Mac, Linux and iOS, written in C++. Want to contribute? Join us on Discord at https://discord.gg/5NJB6dD or just send pull requests / issues.
Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.
A Flash Player emulator written in Rust
Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.
Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are disabled. Please only use release tarballs from the QEMU website.
Fast PlayStation 1 emulator for x86-64/AArch32/AArch64/RV64
Dolphin is a GameCube / Wii emulator, allowing you to play games for these two platforms on PC with improvements.
KnoxMap: turn any real place into a playable Project Zomboid Build 42 map (built on Knoxify)
Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe
One framework for creating powerful cross-platform games.
Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics
The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.
A retro game engine for Python
Clone of the Age of Empires II engine 🚀
The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies
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.
Flexible level editor
Original Xbox Emulator for Windows, macOS, and Linux (Active Development)
Main game repository for Beyond All Reason.
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
The main repository for the development of the evolution game Thrive.
An open-source fighting game engine that supports MUGEN resources.
The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
Open source clone of Theme Hospital
Windows 95 in an app. Runs on macOS, Linux, and Windows.
Modifications to the Minecraft base files to assist in compatibility between mods. New Discord: https://discord.minecraftforge.net/
A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter
Unity C# reference source code.
BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.
Bitburner source code.
Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)
A free and open-source Touhou Project fangame
Stable repository of the modernized X-Ray 1.6 game engine
xLua is a lua programming solution for C# ( Unity, .Net, Mono) , it supports android, ios, windows, linux, osx, etc.
A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once
The source code to VVVVVV! http://thelettervsixtim.es/
Game Boy and Game Boy Color emulator written in C
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
Open-source C++ game engine with Lua for 2D and 3D games across mobile, desktop, WebAssembly, and Xbox (UWP).
Game Boy emulator written in Python
🗺️ Minecraft map editor and mod
A Minecraft Mod about Matter, Energy and using them to conquer the world..
DDraceNetwork, a free cooperative platformer game
A powerful free cross-platform RTS game engine. - Report issues at https://springrts.com/mantis/
Freedoom is an entirely free software game based on the Doom engine.
The repository host gives no description.
Mirror of https://gitlab.com/xonotic/xonotic - Xonotic (superproject containing build scripts and tools to download other repositories and assets)
A running-jumping-swordfighting game I made on the Apple II from 1985-89
HeightMap terrain for Godot implemented in GDScript
Easy to use Python library for creating 2D arcade games.
bsnes is a Super Nintendo (SNES) emulator focused on performance, features, and ease of use.
Direct port of the Bullet physics engine to JavaScript using Emscripten
The Cross Platform Game Engine
An updated version of GBDK, C compiler, assembler, linker and set of libraries for the Nintendo Gameboy, Nintendo Entertainment System, Sega Master System, Sega Game Gear.
In-browser falling-sand simulation game with over 500 elements and thousands of reactions.
The command-line tool for quick, simple deployment and management of Linux dedicated game servers.
A Minecraft world editor and converter that supports all versions since Java 1.12 and Bedrock 1.7.
A tech mod for Minecraft themed around the magic of nature and plant life.
The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript
Cross-platform (desktop, mobile, console, web) 3D and 2D game engine. Powerful visual editor. Support for glTF, X3D, IFC and more. Fast clean code using modern Pascal. Free and open-source.
🌳 Plugin for procedural generation of 3D trees of varying complexity for Godot Engine.
A free J2ME emulator with libretro, awt and sdl2 frontends.
Command & Conquer: Remastered Collection
Plugin for Decky Loader to apply and manage custom art assets from within gaming mode.
Freeciv-web is an Open Source strategy game implemented in HTML5 and WebGL, which can be played online against other players, or in single player mode against AI opponents.
The official distribution of olcPixelGameEngine, a tool used in javidx9's YouTube videos and projects
A retro multiplayer shooter
Repository hosting the functional Nu Game Engine and related projects.
Unvanquished is a free and open source FPS/RTS hybrid game powered by the Daemon game engine. Historically based on Tremulous as a continuation with decades of work over it.
A free J2ME emulator with libretro, awt and sdl2 frontends.
Wwise Integration for the Godot Engine
2D HTML5 rendering and layout engine for game development
Frogatto & Friends is an action-adventure game, starring a certain quixotic frog.
Construct dynamic and intuitive topbar icons. Enhance the appearance and behaviour of these icons with features such as themes, dropdowns and menus.
Inspired by A Dark Room, A Dark Forest is an incremental experimental minimalistic idle game project.
Fast paced HTML5 puzzle game inspired by Tetris!
The official Allegro 5 git repository. Pull requests welcome!
A tilemap editor for Game Boy, Color, Advance, DS, and SNES projects. Written in C++ with FLTK.
OpenLieroX - Liero clone / Worms realtime / 2D shooter
RakNet is a cross platform, open source, C++ networking engine for game programmers.
🛡️ Protect your Minecraft server and lets players claim areas
:video_game: Pokemon MMO engine with realtime editor
Freeminer is an open source sandbox game inspired by Minecraft.