Open-source game software
328 open-source libraries, tools and applications tagged game, ranked by how closely game is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
328 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Bevy Bevy is an open‑source, data‑driven game engine and application framework written in Rust. It provides a fast, parallel ECS, 2D/3D renderin… | 91 | 48687 | active |
| Mindustry Mindustry is a sandbox tower‑defense real‑time strategy game written in Java. It lets players build complex factories, automate production,… | 99 | 29401 | active |
| Monkeytype Monkeytype is a highly customizable, minimalistic typing test website with multiple game modes, themes, and detailed performance statistics… | 94 | 20738 | active |
| osu! Osu! is a free‑to‑win rhythm game where players click to the beat of music. It is an open‑source client written in C# and released for mult… | 97 | 19161 | active |
| hydralauncher/hydra Hydra Launcher is an open-source desktop game launcher built with Electron, React, TypeScript, Python, and Rust. It lets players manage the… | 89 | 17336 | active |
| CleverRaven/Cataclysm-DDA Cataclysm: Dark Days Ahead is a turn-based survival roguelike game set in a procedurally generated post-apocalyptic world, written in C++. … | 87 | 13378 | active |
| Heroic Games Launcher Heroic is an open-source games launcher for Linux, Windows, and macOS that lets users install and play games from the Epic Games Store, GOG… | 100 | 12416 | active |
| PlayCover PlayCover is a macOS application that runs iOS apps and games natively on Apple Silicon Macs by wrapping them to imitate an iPad. It adds c… | 66 | 11798 | active |
| utkarshdalal/GameNative GameNative is an open-source Android application that lets users run PC games they already own from Steam, Epic, GOG and Amazon libraries l… | 87 | 11427 | active |
| VickScarlet/remake Remake (Life Restart Simulator / 人生重开模拟器) is a web-based text game where players simulate restarting their life with random attributes and … | 84 | 10433 | stable |
| RetroPie A shell-based setup script that installs and configures RetroArch, emulator cores, and the EmulationStation front end on Raspberry Pi, ODro… | 66 | 10420 | active |
| cabaletta/baritone Baritone is a pathfinding bot for Minecraft that automatically navigates the world, mines blocks, and performs tasks using A* pathfinding. … | 97 | 9268 | active |
| ublue-os/bazzite Bazzite is a gaming-focused Fedora Atomic (Kinoite/Silverblue) custom operating system image built with OCI tooling, pre-installed with Ste… | 95 | 9201 | active |
| Provenance-Emu/Provenance Provenance is a free, open-source multi-emulator frontend for iOS, iPadOS, tvOS, and macOS that emulates 38+ classic consoles including Nin… | 88 | 6388 | active |
| rileytestut/Delta Delta is an all-in-one classic video game emulator app for non-jailbroken iOS devices, supporting NES, SNES, N64, Game Boy, GBA, DS, and Se… | 62 | 6127 | active |
| PokéRogue PokéRogue is a browser-based Pokémon fangame that blends Pokémon-style turn-based battles with roguelite run-based progression. Players bat… | 99 | 5883 | active |
| RuneLite RuneLite is a free, open-source Old School RuneScape game client written in Java with a plugin architecture. It adds overlays, trackers, an… | 77 | 5496 | active |
| CharlesPikachu/Games A collection of classic 2D mini-games (tank war, flappy bird, puzzle, ski, etc.) implemented in pure Python with pygame, published as the c… | 23 | 5421 | active |
| flybywiresim/aircraft FlyByWire Simulations' open-source projects recreating the Airbus A320neo (A32NX) and A380-800 (A380X) as free, high-fidelity aircraft add-… | 97 | 5414 | active |
| libnoname/noname Noname (无名杀) is an open-source, cross-platform implementation of the Sanguosha / Three Kingdoms Kill card game, playable on Android, PC, an… | 95 | 5162 | active |
| Fold Craft Launcher Fold Craft Launcher is an open-source Android launcher for Minecraft: Java Edition, built on HMCL core functionality and the PojavLauncher … | 96 | 4977 | active |
| Steam-Headless/docker-steam-headless A headless Steam Docker image that runs a full Steam client and Xfce4 desktop on Linux with NVIDIA, AMD, or Intel GPU support. It enables r… | 66 | 4825 | active |
| electronicarts/CnC_Remastered_Collection The repository contains the source code for the Tiberian Dawn, Red Alert, and Map Editor components of the Command & Conquer Remastered Col… | 10 | 21383 | maintenance |
| k4zmu2a/SpaceCadetPinball A cross-platform decompilation of the classic 3D Pinball for Windows – Space Cadet game, rebuilt in C++ from the original Windows XP binary… | 23 | 4713 | active |
| Creators-of-Create/Create Create is a NeoForge mod for Minecraft that adds building tools, decoration blocks, and aesthetic automation technology. It emphasizes play… | 90 | 4558 | active |
| UEVR UEVR is a universal mod that injects VR support into Unreal Engine 4.8-5.4 games, providing 6DOF head tracking, stereoscopic 3D rendering, … | 64 | 4538 | active |
| p2r3/bareiron A minimalist Minecraft server written in C, designed to run on memory-restricted embedded systems like the ESP32. It prioritizes memory usa… | 50 | 4400 | active |
| NonSteamLaunchers A Python-based installer that sets up game launchers like Battle.net, Epic Games, GOG, EA App, and others under a single Proton prefix on S… | 94 | 4374 | active |
| Lemuroid Lemuroid is an open-source all-in-one retro game emulator for Android built on top of Libretro. It supports dozens of classic consoles (NES… | 74 | 4360 | active |
| Onion Onion is a custom operating system overhaul for the Miyoo Mini and Mini+ retro handheld consoles, built in C. It bundles 100+ emulators, a … | 56 | 4273 | active |
| TWiLight Menu++ TWiLight Menu++ is an open-source DSi Menu replacement/upgrade for Nintendo DS, DSi, 3DS/2DS, and DS flashcards, written in C++. It provide… | 99 | 4113 | active |
| Gen1Recomp A native LÖVE2D recreation of Pokémon Red, Blue, Gold, Silver, and Crystal, with the engine and map behavior hand-written in Lua. Game data… | 77 | 3993 | active |
| Grasscutters/Grasscutter Grasscutter is a Java-based server software reimplementation for a certain anime game, allowing users to run their own private game server.… | 51 | 16829 | maintenance |
| SmartlyDressedGames/U3-SDK The full source code and Unity project for Unturned, a free open-world zombie survival sandbox game. It serves as an SDK allowing players a… | 97 | 3893 | active |
| MeteorDevelopment/meteor-client Meteor Client is an open-source Minecraft utility mod built on Fabric, offering a large set of modules, a GUI, and HUD customization aimed … | 75 | 3878 | active |
| Iris Iris is an open-source shaders mod for Minecraft: Java Edition that loads OptiFine-compatible shader packs with good performance and mod co… | 68 | 3871 | active |
| UMU umu-launcher is a unified launcher for running Windows games on Linux using Proton outside of Steam. It replicates Valve's Steam Runtime To… | 87 | 3702 | active |
| Sanakan8472/copy-dialog-lunar-lander A Windows application that overlays a playable lunar lander game on the file copy progress dialog, using the progress bar's terrain as the … | 25 | 3684 | active |
| SebLague/Geographical-Adventures A small Unity-based geography game where players fly around a miniature 3D Earth delivering packages to countries, built with real-world ge… | 32 | 3664 | active |
| 34736384/genshin-fps-unlock A Windows application that removes the 60 FPS cap in Genshin Impact by writing the desired FPS value into the game process via WriteProcess… | 57 | 3596 | active |
| helio-fm/helio-sequencer Helio is a free, open-source (GPL-3.0) music sequencer built in C++ with JUCE, available for desktop and mobile platforms. It features a mi… | 77 | 3570 | active |
| ndeadly/MissionControl Mission Control is a Nintendo Switch system module (sysmodule) for Atmosphere custom firmware that lets you connect third-party Bluetooth c… | 84 | 3533 | active |
| EngineHub/WorldEdit WorldEdit is an in-game Minecraft map editor available as a mod or server plugin, offering selections, schematics, copy/paste, brushes, and… | 77 | 3518 | active |
| OpenCloudGaming/OpenNOW OpenNOW is an open-source, cross-platform desktop and mobile client for NVIDIA GeForce NOW cloud gaming. It lets users browse the game cata… | 94 | 3485 | active |
| ThirteenAG/GTAIV.EFLC.FusionFix An open-source ASI plugin for Grand Theft Auto IV: The Complete Edition that fixes bugs, graphical issues, and limitations left unaddressed… | 98 | 3359 | active |
| snes9xgit/snes9x Snes9x is a portable, freeware Super Nintendo Entertainment System (SNES) emulator written in C++ that lets users play most SNES and Super … | 66 | 3346 | stable |
| gabrielecirulli/2048 The original open-source 2048 sliding tile puzzle game written in JavaScript, playable in the browser and as official mobile apps. It is a … | 32 | 13437 | maintenance |
| MaxBittker/sandspiel Sandspiel is a creative falling-sand browser game implementing cellular automata, written in Rust and compiled to WebAssembly with WebGL re… | 75 | 3169 | active |
| lxgr-linux/pokete Pokete is a small terminal-based game inspired by classic Pokemon, written in Python. Players catch, train, and battle creatures called Pok… | 57 | 3160 | active |
| ps2homebrew/Open-PS2-Loader Open PS2 Loader (OPL) is an open-source game and application loader for PlayStation 2 and PS3 consoles. It loads games and homebrew apps fr… | 76 | 3057 | active |
| crawl/crawl Dungeon Crawl Stone Soup is an open-source roguelike dungeon exploration game featuring combat, magic, and deity worship, playable offline … | 84 | 3042 | active |
| Pryaxis/TShock TShock is a server-side toolbox for Terraria servers providing anti-cheat, server-side characters, groups, permissions, item bans, and exte… | 82 | 2891 | active |
| imsai-sh/zhuzhiliao A zero-dependency, single-file web simulation of the traditional Chinese bamboo cicada toy (竹知了) that 'wa-wa' cries when spun. It combines … | 53 | 2883 | active |
| NeverSinkDev/NeverSink-Filter-for-PoE2 A community item filter (loot filter) for Path of Exile 2, written in the game's official filter domain language. It highlights valuable it… | 84 | 2857 | active |
| tkashkin/GameHub GameHub is a unified game library application for Linux that aggregates games from Steam, GOG, Humble Bundle, and itch.io into a single GTK… | 10 | 2843 | active |
| infstellar/genshin_impact_assistant A multi-functional Genshin Impact auto-assist application that uses image recognition and simulated keystrokes to automate combat, domain r… | 10 | 2730 | active |
| TeamFlos/phira Phira is an open-source rhythm game written in Rust, serving as a Phigros-compatible client for playing music charts. It runs on Android, W… | 94 | 2721 | active |
| plbrault/youre-the-os You're the OS! is a game where the player acts as a computer's operating system, managing processes, memory, and I/O events to keep the use… | 88 | 2683 | active |
| Trixarian/NetherSX2-patch NetherSX2-patch is a continuation of the NetherSX2 PlayStation 2 emulator for Android, based on AetherSX2 build 4248. It removes ad service… | 75 | 2650 | active |
| NeverSinkDev/NeverSink-Filter NeverSink's Filter is a community item filter for the game Path of Exile, written in the game's official filter domain language. It hides l… | 93 | 2606 | active |
| FIX94/Nintendont Nintendont is a Wii homebrew application that plays GameCube games on a Wii and on the Wii U's vWii mode. It loads disc images from USB or … | 77 | 2493 | active |
| Faugus/faugus-launcher A lightweight GTK4 GUI launcher for running Windows games on Linux via UMU-Launcher and Proton/Wine. It manages game prefixes, Proton versi… | 87 | 2478 | active |
| sanderland/katrain KaTrain is a cross-platform desktop application for playing and analyzing the game of Go (Baduk/Weiqi) with AI feedback powered by KataGo. … | 90 | 2474 | active |
| GBALATRO/balatro-gba A non-profit fan demake of the roguelike deckbuilder Balatro, rebuilt in C for the Game Boy Advance. It lets players run the poker-themed r… | 84 | 2466 | active |
| Mesen Emulator Mesen is a high-accuracy multi-system emulator for retro consoles including NES, SNES, Game Boy (Color), Game Boy Advance, PC Engine, SMS/G… | 10 | 2421 | active |
| LiquidBounce LiquidBounce is a free, open-source Minecraft hacked client (utility mod) built as a mixin-based injection client for the Fabric API, writt… | 99 | 2404 | active |
| JACoders/OpenJK OpenJK is a community-maintained, open-source reimplementation of the engine powering Star Wars Jedi Knight: Jedi Academy and Jedi Outcast,… | 86 | 2304 | active |
| apple/homebrew-apple Apple's official Homebrew tap containing formulae such as the Game Porting Toolkit, which lets developers run Windows games on Apple Silico… | 30 | 2282 | active |
| FakeFishGames/Barotrauma Barotrauma is a 2D online multiplayer survival game set in a submarine traveling the icy ocean beneath Jupiter's moon Europa, with source c… | 71 | 2249 | active |
| plibither8/2048.cpp A fully featured terminal implementation of the 2048 sliding tile puzzle game written in C++11. It builds with CMake or Meson and runs nati… | 32 | 2246 | stable |
| storax/kubedoom Kubedoom is a novelty chaos-engineering tool that lets you kill Kubernetes pods (or namespaces) by shooting them as monsters in a modified … | 32 | 2172 | active |
| Pugmatt/BedrockConnect BedrockConnect is a lightweight Minecraft Bedrock Edition server-list service that lets console players (Xbox, Switch, PlayStation) join ar… | 96 | 2167 | active |
| doublespeakgames/adarkroom A Dark Room is a minimalist browser-based text adventure game written in JavaScript. It is playable online and has been ported to iOS, Andr… | 30 | 8329 | maintenance |
| a-b-street/abstreet A/B Street is a transportation planning and traffic simulation application for exploring how street edits affect walking, biking, and publi… | 38 | 8185 | maintenance |
| kiccer/Soldier76 Soldier76 is a Lua macro script for Logitech gaming mice (LGS driver) that automatically controls recoil in PUBG, supporting 12 weapons. It… | 59 | 2116 | active |
| SubnauticaNitrox/Nitrox Nitrox is an open-source multiplayer modification for the game Subnautica, adding client/server networking, world and vehicle syncing, and … | 79 | 2075 | active |
| GT New Horizons GT New Horizons is a large, long-running Minecraft 1.7.10 modpack balanced around GregTech, featuring thousands of recipe tweaks, a 3900+ q… | 95 | 2074 | active |
| ErLinErYi/PlantsVsZombies A Plants vs. Zombies clone built entirely in C++ on Cocos2d-x 3.16, with 104 levels, 13 plants, and 14 zombies. It doubles as a learning re… | 23 | 2028 | active |
| BanjoRecomp/BanjoRecomp A native PC port of Banjo-Kazooie built by statically recompiling the original N64 ROM using N64: Recompiled, with RT64 as the rendering en… | 74 | 2021 | active |
| MAA1999/M9A M9A is an automation assistant for the mobile game Reverse: 1999, built on MaaFramework's image-recognition and simulated-control engine. I… | 94 | 2006 | active |
| ChimeraOS ChimeraOS is a Linux distribution that turns any PC into a gaming console using Steam Big Picture mode. It provides a fully controller-comp… | 69 | 1999 | active |
| ZalithLauncher/ZalithLauncher2 Zalith Launcher 2 is an open-source Minecraft: Java Edition launcher for Android devices, built on the PojavLauncher launching engine. It f… | 82 | 1977 | active |
| BenjaminAster/CSS-Minecraft A Minecraft clone implemented entirely in pure HTML and CSS with no JavaScript, using CSS logic like the :has() pseudo-class. It runs in th… | 32 | 1941 | active |
| arcxingye/EatKano EatKano is a browser-based H5 mini-game (a click/tap rhythm-style game) built in JavaScript, easily forkable and customizable with your own… | 52 | 1909 | active |
| 2394425147/astrodx AstroDX is a free, open-source mobile simulator of the maimai arcade rhythm game, built as a clean-room implementation without original arc… | 91 | 1901 | active |
| mmatyas/pegasus-frontend Pegasus is a cross-platform graphical frontend for browsing a game library and launching emulators from a single interface. It emphasizes c… | 84 | 1894 | active |
| LiberatedPixelCup/Universal-LPC-Spritesheet-Character-Generator A web-based character generator that assembles Liberated Pixel Cup (LPC) pixel art assets into customizable, game-ready character spriteshe… | 77 | 1885 | active |
| FreezingMoon/AncientBeast Ancient Beast is a free, open-source, browser-based turn-based strategy game where players build armies of creatures and battle other playe… | 81 | 1882 | active |
| tobspr-games/shapez.io shapez is an open-source, minimalist base-building game inspired by Factorio, where players automate the extraction, cutting, rotating, mer… | 65 | 6981 | maintenance |
| TastSong/CrazyCar Crazy Car is an open-source online multiplayer racing game built with Unity, serving as a complete networked game solution. It combines a U… | 71 | 1846 | active |
| Cockatrice/Cockatrice Cockatrice is an open-source, cross-platform virtual tabletop application for playing multiplayer card games (like Magic: The Gathering) ov… | 95 | 1839 | active |
| AppliedEnergistics/Applied-Energistics-2 Applied Energistics 2 is a Minecraft mod focused on matter/energy-based digital storage, automation, and auto-crafting. It provides network… | 94 | 1803 | active |
| chynl/snake A Python application that plays the game of Snake using two AI approaches: a graph-search algorithm based on Hamiltonian paths and shortest… | 64 | 1796 | active |
| Northstar Northstar is a community-made modding framework and custom client for Titanfall 2 that lets players host their own dedicated servers with c… | 96 | 1788 | active |
| setube/vue-xiuxiangame A browser-based Chinese text cultivation (xiuxian) idle game built with Vue.js, Element Plus, and Pinia. Players grind through a text-based… | 50 | 1788 | active |
| GitAnimals GitAnimals is a gamification service that lets GitHub users raise virtual pets based on their commit and contribution activity, rendered as… | 61 | 1787 | active |
| blendi-remade/sprite-sheet-creator A Next.js web application that generates 2D pixel art sprite sheets and game maps from text prompts or uploaded images using fal.ai image m… | 53 | 1767 | active |
| PvZ2 Gardendless The official open-source website for PvZ2 Gardendless, a web-technology rewrite of Plants vs Zombies 2 for desktop platforms. Built with Vu… | 77 | 1762 | active |
| renzorlive/vimmaster VIM Master is a browser-based game that teaches core Vim motions and editing commands through short, focused, gamified lessons. Lessons are… | 62 | 1710 | active |
| TheOfficialFloW/Adrenaline Adrenaline is a custom firmware that modifies the official PSP emulator on PS Vita to run PSP firmware 6.61, enabling unsigned homebrew cod… | 23 | 1709 | stable |
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