すべてのゲーム

An automation tower-defense RTS: build conveyor belts and factories to produce resources and hold off waves of enemies, with multiplayer.

The official open-source osu! client (lazer): click, tap and drag to the rhythm across a huge library of community-made beatmaps.

♞ lichess.org: the forever free, adless and open source chess server ♞

The original 2048 number puzzle: slide the tiles so matching numbers merge, and try to build a 2048 tile.

An open-source turn-based 4X strategy game in the style of classic civilization games, for Android and desktop, actively updated.

A simple Minecraft clone written in C using modern OpenGL (shaders).

🏰 An exciting game of programming and Artificial Intelligence

Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit

A work-in-progress, open-source, multi-player city simulation game.

A 2D space exploration, trading and combat game: fly between star systems, take missions, upgrade your ship and get drawn into a sweeping story.

A multiplayer open-world voxel RPG: explore a vast procedurally generated world, fight, craft and adventure.

A browser puzzle game that teaches CSS Flexbox: write layout code to guide the frogs back to their lily pads.

shapez is an open source base building game on Steam inspired by factorio!

An open source, turn-based strategy game with a high fantasy theme.

A level-based game for learning Git: each level asks you to solve a small problem with the right Git commands.

One of the most popular open-source pixel-art roguelikes: randomized dungeons, enemies and hundreds of items make every run different. On mobile and desktop.

Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling.

An interactive game about the game theory of trust and cooperation, explored through repeated prisoner’s dilemmas. Dedicated to the public domain.

Chop Chop, Unity’s official community open project: an action-adventure game that demonstrates a complete game-development workflow.

Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.

The classic pixel-art roguelike dungeon crawler that inspired many later open-source dungeon games.

Duelyst, a digital collectible card game and turn-based tactics hybrid, preserved and open-sourced by the community after the official shutdown; playable on a self-hosted server.

A multiplayer game about paranoia and chaos on a space station. Remake of the cult-classic Space Station 13.

A game that teaches Ruby: write Ruby scripts to guide a warrior up a tower, fighting enemies and rescuing captives floor by floor.

Voxel sandbox game with a large render distance, procedurally generated content and some cool graphical effects.

A browser RPG that teaches programming: solve coding challenges in the game world to advance your adventure.

A game that teaches the Unix shell: complete missions in a real shell and learn the standard commands as you play.

A small isometric city builder in the browser: place roads and buildings at your own pace.

A creative falling-sand sandbox in the browser: place sand, water, fire, plants and more and watch them interact.

A terminal game that tests your Git skills across ten increasingly difficult levels.

The classic open-source 2D platformer starring Tux the penguin, with lots of levels.

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

A multiplayer real-time strategy game in the browser: expand across real-world maps and fight for dominance.

A game where you are a computer's OS and you have to manage processes, memory and I/O events.

The elevator programming game: write JavaScript to control a bank of elevators and move passengers efficiently.

A marble game built on a fractal physics engine: roll across ever-shifting fractal terrain to reach the flag as fast as you can.

A god-sim sandbox where AI characters with their own memories and thoughts live, socialize and work on their own, built with Godot 4.

A multiplayer light-cycle game you play over SSH — no client to install.

Pseudo-3D shooter written completely in gawk using raycasting technique

Isometric city and theme-park builders in the browser: lay roads and rail lines while cars, trains, planes and pedestrians move around on their own.

Google I/O 2022’s pinball game, built with Flutter and Firebase and playable in the browser.

🎮 Fully featured terminal version of the game "2048" written in C++

A community-built 3D racing game made with React and three.js, using only CC0 assets and playable in the browser.

Play Dou Dizhu (Fight the Landlord) and Texas Hold’em in the command line, with online multiplayer.

:deciduous_tree::house_with_garden::office::evergreen_tree: A city building simulation game

👾🐍 A opensource game inspired by Snake, written in pure C with SDL

A puzzle game inspired by functional programming

A replayable arcade shooter where you control a snake of heroes.

A cross-platform minigolf game written in C, also playable on mobile.

/tg/station, one of the largest Space Station 13 codebases: a multiplayer space-station role-playing game (requires the BYOND client).

A voxel building game written in Go, with multiplayer support.

The Turn Based Strategy Game/eSport. Master your beasts! 🐺

A futuristic HTML5 racing game: pilot an anti-gravity ship around high-speed tracks in your browser.

Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱

VIM Master: in-browser game that teaches core Vim motions and editing commands through short, focused levels.

A command-line RPG that turns your filesystem into a dungeon: use it in place of cd and you’ll randomly meet enemies, with levels, gear and classes.

A grid-free 3D city builder: lay out roads and buildings freely and watch a simulation of your citizens’ daily lives.

A command-line typing game that turns your own source code into typing challenges, with real-time speed and accuracy stats.

A block-breaking game inside Vim that turns the code you’re editing into bricks.

The classic open-source empire-building strategy game: grow a civilization from the stone age to the space age through exploration, science, diplomacy and war, with online multiplayer.

💒 HTML5 Canvas Tower Building Game 🏢🏬🏦🏯🏰

Brogue: Community Edition - a community-lead fork of the much-loved minimalist roguelike game

A hands-on Kubernetes learning game: each mission breaks something in a local cluster and you fix it, across 50 progressive challenges.

An open-source platform for playing tabletop games in a physics-based 3D environment for Windows, macOS, and Linux! Made with the Godot Engine.

OpenSoldat is a unique 2D (side-view) multiplayer action game

😠⚔️😈 A minimalistic 2D turn-based tactical game in Rust

Learn Kubernetes by playing. Deploy pods, fix CrashLoopBackOff, type real kubectl commands: 3D browser game, no install needed.

A Chinese Hanzi take on the daily word game: guess a four-character idiom in a limited number of tries using hints about characters, pinyin and tones.

A cross-platform command-line Sudoku written in C++, with English and Chinese, undo and Vim keys.

A Snake game in just 54 bytes of x86 assembly, playable in DOS or an online demo — an extreme code-golf curiosity.

Snake played in your browser’s address bar, drawn with Braille characters right in the URL — a fun little toy.

Google’s Blockly Games: a series of educational games that teach programming by snapping together code blocks to solve mazes, draw with a turtle and more.

A proximity puzzle game from Google’s Chrome team, similar to Minesweeper and playable on almost any device with a browser, even feature phones.

A browser idle loot game with fully random gear: clear dungeons for equipment and gold, then take on endless challenges.

The free and open source karaoke singing game UltraStar Deluxe, inspired by Sony SingStar™

A soft-body physics sandbox that simulates cars, trucks, trains, boats and aircraft deforming in real time — drive, crash and experiment.

An incremental game about evolving a civilization from primordial ooze into a space-faring empire, mixing clicker and idle play with lots of depth.

A strategy game where you program robots: write code to make robots mine, build and fight on alien planets — a fun way to learn programming. Game data is downloaded separately.

⬤▗▚▚▚ Web-based online rhythm action game. Based on HTML5 technologies, React, Redux and Pixi.js.

A voxel multiplayer shooter with destructible terrain and online matches.

Chess in the terminal: play a friend locally, take on Stockfish or play online via Lichess. Written in Rust.

A small adventure game that runs entirely in the TypeScript type system, playable in the TypeScript Playground.

A free, open-source monster-fighting RPG: collect monsters, explore the world and battle in turn-based combat. In active development.

Yet Another Rhythm Game: a free, open-source plastic-guitar game supporting guitar, drums, vocals and more, with instrument controllers.

An open-source real-time strategy game made in Godot 4, with simple rules built for quick matches.

A community-driven touchscreen music game: tap notes as the scanline sweeps by, with a huge library of player-made charts. On the App Store and Google Play.

A twin-stick shooter in 13 KB of JavaScript and WebGL, made for the js13k competition.

A classic overhead run-and-gun shooter with fast-paced local co-op and deathmatch for several players.

An Open Source Pixelart Science-Fiction Real-Time-Strategy game

A browser-based isometric island builder with the soft, sun-bleached look of Mykonos. Vanilla ES modules, no bundler, mobile-friendly.

A dungeon-management roguelike: play an evil keeper, dig out your dungeon, recruit minions and fight off invading heroes — or head out on adventures yourself.

RPG game action-adventure MMO built with Godot and Rust.

A multiplayer programming game: write assembly for a robot’s 8086-like CPU to explore a grid world and gather resources.

Chess in your terminal, for two players locally or over SSH.

An online staring contest: get matched with a random player and use your webcam — whoever blinks first loses.

A game for programmers: race other players in real time to solve algorithm problems first.

A multiplayer spaceship bridge simulator: friends crew the stations — captain, helm, weapons, science — of one starship, with a Game Master mode.

A cross-platform Chinese chess (Xiangqi) game built with Qt, with play against the computer, two-player mode and network play.

A free, feature-rich chess client for Linux, Windows and macOS: play engines or opponents online.

The ultimate community-driven, and open-source competitive rhythm game available on Steam.

Antimine is an open source minesweeper-like puzzle game.

Cross-platform rhythm game based on Java and libGDX.

A multiplayer networked starship bridge simulator: crew navigation, weapons, engineering and more with your friends.

Terminal-based but modern tetromino-stacking game that is customizable and cross-platform

A browser puzzle: place walls to trap the cat before it escapes to the edge — every move you make, the cat makes one too.

P2P terminal game about spacepirates playing basketball across the galaxy

An old-school side-scrolling shoot-’em-up written in Bash: fight through 100 aliens to face the mothership, with team and duel multiplayer.

An 8-bit adventure RPG/roguelike for the Game Boy Color, playable on emulators or real hardware.

A cross-platform 2D survival sandbox game project built with C++17 and OpenGL (in development).

A puzzle roguelike set in the hyperbolic plane, where non-Euclidean geometry changes everything about space. Collect treasure and avoid monsters.

FreeCol: FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation.

Open "Minecraft-like" game with multiplayer support and Lua scripting support for the both client and server

Stendhal is a fun friendly and free multiplayer online adventure game with an old school feel.

A ping-pong-style game in assembly that fits in a 512-byte boot sector and runs without an operating system.

A multiplayer geography game: click where a city is on the map — the closer you are, the more points you score.

An open-source Texas Hold’em poker game, playable offline against bots or online with other players.

Google I/O 2023’s card battle game with AI-designed cards, built with Flutter and Firebase and playable in the browser.

An addictive clicker made at CERN Webfest that teaches the history of high-energy particle physics.

A lunar-lander-style game with computational fluid dynamics: fly a lander to deliver mail to distant colonies. A js13k entry.

The free and privacy respecting pictionary game - Play at https://scribblers.bios-marcel.link

A rhythm game for keyboard players that grew out of StepMania, with online scoreboards, multiplayer and an active community.

A GPU-raytraced non-Euclidean game where space connects in counter-intuitive ways.

A classic open-source city simulation: build and maintain a city, and win through a sustainable economy or by evacuating everyone by spaceship.

A puzzle game based on the mathematics of plank puzzles: rotate cubes and rods to reach the end cube, across 20 levels.

A game about love and graphing: type math functions to shape the terrain and sled to your goal. Built by teenagers at Hack Club.

A timeline trivia card game built from Wikidata: place event cards in the right order on the timeline.

Simple and beautiful memory game for kids (since 2014)

GeoGuess is an open-source geography game with Google Map StreetView. You can play solo or with your friends simultaneously.

Hedgewars, a turn-based artillery game: take turns with your team of hedgehogs and wipe out the other teams with outrageous weapons, locally or online.

A 4X strategy game you play in the browser: explore, expand, exploit and exterminate.

Extensible open world rogue like game with pixel art. Players can explore the wilderness and ruins.

A multiplayer voxel sandbox survival game built in Rust and Bevy (in development).

A 3D chess game built with HTML, CSS and JavaScript, using the classic Bauhaus Hartwig piece design, playable in the browser.

An offline idle RPG for Android: send your hero to train a skill or clear a dungeon, put your phone down and come back to loot. No ads, no account.

Play chess against an AI in the terminal, with a two-player mode too. Written in Python.

A free, open-source chess app for Android: standard chess and Chess960, online play on Lichess and FICS, puzzles and an opening explorer, no ads.

A World of Tanks-style armored combat simulator built directly with Three.js and Vite: 220 vehicles, 33 destructible battlefields, and 13 modes, with plate-level armor, ballistics, modules, spotting, and physics. Play in your browser on desktop or mobile. Built end-to-end by a multi-agent Claude/Codex pipeline.

An idle game: start with a few larvae and a pile of meat and grow a swarm of trillions of giant alien bugs.

A coding game for kids: use block-based code to guide cute little robots through challenges.

A tactical turn-based game project in pygame, open to support

A fantasy mini-RPG made with Python and Pygame, with towns, an overworld and turn-based battles.

A procedural space exploration game that runs in a browser tab, where every star, world, ring and derelict is generated from a seed.

Habitat, Lucasfilm’s 1986 online world for the Commodore 64 and one of the first graphical massively multiplayer role-playing games, restored and open-sourced by a museum.

An open-source 2D battle royale game you play in the browser (in development).

Guide a hamster ball through dangerous space mazes, then build your own mazes and share them with friends. Made by Google.

A free, open-source singing game: sing along to lyrics and notes to score points, use your phone as a microphone, and edit songs with the built-in editor.

A minimalist puzzle game for web, iOS and Android — free, with no ads or in-app purchases.

Community based rhythm game editor and player made with Unity.

A base-building game… in space! Build and manage your space station; developed by the community.

A geography game: identify a city’s neighborhoods on the map as fast as you can.

An open-source city simulator modelling a city’s economy, traffic and resources.

An indirect-control real-time strategy game: guide your robot colony rather than command units directly, against a rival machine life form.

An educational 2D platformer that teaches game hacking: use memory editing and assembly tricks to solve levels.

A digital circuit drawing and simulation game where every circuit is an image — pixel triangles are NAND gates and you build logic by painting.

A simple turn-based puzzle adventure written in Ada, for Windows and Linux.

A pinball game for Android with simple vector-line graphics and several tables.

A dungeon RPG made with Flutter and Flame, playable in the browser and on Android.

A GitHub Game Off 2017 action game: our hero has fallen into hell and must slay rogue demons to return to the living.

Guess who made each commit in your team’s repo from the commit message, and go for the longest streak.

The maintained source of the classic roguelike Moria: adventure deep into a vast underground dungeon.

A geometry game based on Euclid’s Elements: solve construction challenges using only a straightedge and compass.

A multiplayer naval combat .io game: command a ship, upgrade as you go and battle other players at sea.

The Open-Source IO Shooter: a multiplayer browser shooter anyone can host and play.

A feature-rich Android chess app with the strong Stockfish engine, for playing, analysis and studying games.

Create, share and play card games of all kinds, solo or online, on desktop and mobile.

A 3D multiplayer driving and exploration game on real-world maps, played in the browser.

A turn-based artillery game in the terminal: set your angle and power to blast the other tanks. Written in Go.

A sandbox billiards game that emphasizes realistic physics

A small space shooter written in Rust and compiled to WebAssembly so you can play it in the browser.

An open-source racing simulator built for drifting, with accurate vehicle physics and many tracks and cars.

An open-source third-person action RPG with single-player and multiplayer, aiming for the depth of old-school MMOs.

A roguelike built with Vue, Vuetify, Tiled, rot.js, and PixiJS! Playable at https://rotten-soup.larkenx.me

A browser Dou Dizhu (Fight the Landlord) game written in Go, with a built-in AI and online play.

A Wordle-inspired word-guessing game: six tries to find a five-letter word, with no once-a-day limit.

A dungeon crawler in the shell where dungeons are directories — explore with cd and ls and learn the command line as you play.

An RTS / programming game: trapped in a hostile computer system, write code to command your units and break out.

Digital Extinction, a 3D real-time strategy game written in Rust (in development).

A hexagonal turn-based strategy game written in Rust (discontinued, with prebuilt binaries).

A colony simulation in the vein of Dwarf Fortress and RimWorld, written in Rust, with a live demo.

A reimplementation of Mozilla’s open-source multiplayer browser RPG BrowserQuest, built with Phaser.

A math proof game: prove the basic properties of natural numbers from scratch with the Lean 4 theorem prover, level by level.

A multiplayer space-ship shooter built on SignalR and played in the browser.

A 3D action-adventure game concept rendered entirely in ASCII characters, playable in the browser.

Online Multiplayer Browser Game with Old-School Raycasting Graphics.

A fantasy roguelike written in Rust (work in progress).

A real-time strategy game in 13 KB of JavaScript and WebGL, made for the js13k competition.

A word-guessing game: six tries to find the word, with colored letters as clues and adjustable word length.

A simple, fun space shooter for the MacBook Pro’s Touch Bar.

A time-traveling tower defense game: rewind time to defend your base against waves of enemies. A game-jam entry playable in the browser.

Sudoku in the terminal, built on ncurses: simple controls, and you can export puzzles to PDF or images to print.

A free and open-source train driving simulator made with the Godot Engine.

A procedurally generated retro 3D flying game and winner of GitHub Game Off 2017.

A fast-paced real-time strategy game in the terminal: expand your territory and move your armies against computer or human players.

“The worst Minesweeper ever”: guess the results of JavaScript’s == comparisons — a playful case for using ===.

A browser puzzle game with real quantum mechanics: guide photons through optical elements and play with superposition and entanglement.

The classic dual n-back brain-training game for working memory, maintained by the community.

A free, ad-free open-source shogi server forked from lichess: real-time and correspondence games, engines and puzzles.

A turn-based dungeon-crawling RPG made with React and Redux, with story and endless modes, playable in the browser.

Iter Vehemens ad Necem - a continuation of the graphical roguelike by members of http://attnam.com

A fun arcade space shooter: explore star systems, fight and upgrade your ship. Continued by the community after its creators open-sourced it.

A piano game: play along to falling notes from MIDI files on a MIDI or PC keyboard, forked from the open-source era of Synthesia.

A 3D cube-dodging game made with react-three-fiber: the speed keeps rising — can you beat the rainbow level?

A LaTeX speed-typesetting game: how many formulas can you recreate in three minutes?

A free, open-source singing game for several players, scoring you on pitch and rhythm.

Top-down roguelike about goblins, lamps and magic

A retro 3D endless racing game in just 2 kilobytes — the whole game is a single HTML file.

A free train simulator supporting the world’s largest range of routes and rolling-stock content.

A hardcore action platformer: play a demon trapped in a ball, mixing Souls-like difficulty with unique ball-based platforming. Full source released.

A falling-sand simulation game: place sand, water, fire and other particles and watch them interact.

A retro LCD-handheld-style game: control the Octocat and shoot incoming bugs. Winner at GitHub Game Off 2017.

A single-player Dou Dizhu (Fight the Landlord) card game with AI opponents.

A dungeon shooter roguelike made with Godot, with random dungeons and lots of weapons (in development).

Godot 3.6.1 / ROTA: Bend Gravity / Gravity Bending Block Puzzle Platformer Game

A simple open-source Sudoku game for Android, with puzzle import.

Strategy game based on history, mythology and fiction

A space-themed snake game for the desktop, built with Electron and Vue.

Raise a neural network as a pet: a digital squid that learns and grows, with its “brain” laid bare — a playful way to learn neuroscience.

A browser puzzle that mixes Mastermind with the Android pattern lock: work out the hidden pattern in a limited number of tries.

An MMO game written in Erlang + PostgreSQL (+ Omnigres) + Zig (+ Raylib), powered by a Nix-based devenv

A space fleet programming game: write the AI that controls your ships and command your fleet in missions and battles, in the browser.

A single-player text-based role-playing adventure written in Java.

A grand-strategy game built on an agent-based economy simulation, with a browser demo (development paused).

A free, open-source server for playing chess variants (pychess.org), including shogi, xiangqi and many more.

A community-driven dance rhythm game forked from StepMania 5.1, with built-in network features, for home and arcade use.

A browser multiplayer curve-racing game: steer your ever-growing line and make opponents crash into the trails.

A WebGL 3D platformer made with three.js, playable in the browser.

A retro 2D platformer where you switch between characters to solve each level, made with Ruby.

A command-line startup simulation: play a founder, hire a team, build products and run your company.

A top-down 2D RPG written in Zig (a long-running personal project, in development).

:notes: Competitive, multiplayer, realtime, guess the song game

A nonlinear 2D puzzle platformer taking place in impossible spaces.

A love letter to the Elite Dangerous racing community ❤

An arcade platformer homebrew for the Game Boy, playable on emulators or real hardware.

A tank battle game for Ruby programmers: write your tank’s brain and send it into battle against other players’ tanks.

A simple platformer about nothing.

A cultivation-themed idle browser game: train, explore, meet fortunes, brew elixirs and raise spirit pets and gear.

Text-based Zero Player MMORPG [Russian language]

Traditional roguelike game with pixel-art graphics and simple interface - Remixed Pixel Dungeon

Community-based vertical scrolling rhythm game (VSRG) made with Vue.js and canvas (WIP)

A simple 2D platformer written in Rust, playable in the browser.

An experimental cross-platform open-source MMORPG built with Godot 4, playable in the browser.

A 3D Sokoban-style box-pushing puzzle game written in Go.

[suspended] 3d shooter written in Rust using rg3d

Draw what you see, and guess what your friends drew

Classic 8 Ball pool game written in JavaScript

A casual game from Google: ride a raft down an endless river and toss sushi to well-dressed animal patrons.

A free website for playing chess variants on an infinite, boundless board, with online play.

An open-source online piano game: play along to falling notes, similar to Synthesia.

A roguelike platformer with destructible environments in 13KB of JavaScript

An anime gacha bullet-hell rhythm game made by the Mindustry developer as an April Fools’ event, for Windows, Linux and Android.

A massively multiplayer space shooter: destroy moving objects while avoiding other players and asteroids. Written in Go.

2D Platform Game developed in Unity for Android, Windows, and Linux. Kailius is inspired by the early RPGs, featuring PixelArt aesthetics (8 Bits).

Connect Four in the browser: play against the computer or a friend and be the first to line up four discs.

A suite of 300+ minimalist puzzle games built with Flutter. Leave a 🌟 to show your support

A modernized turn-based 4X empire-building game based on Freeciv: grow from humble roots to a global empire.

Bolo, the classic top-down tank warfare game, rewritten for modern browsers with multiplayer battles and base capture.

A space shoot-’em-up with 13 enemy types and 5 power-ups — blast the enemies before they destroy you. A js13k entry.

A game for babies who like to bang on the keyboard: every key press makes colorful shapes, letters and numbers appear and be spoken aloud.

An online multiplayer board game written in Rust and WebAssembly.

A browser stock-trading simulation from Taiwan’s PTT community, where anime, comic and game characters are traded as stocks.

A side-scrolling moon-buggy shooter drawn entirely in ASCII characters, a tribute to classic arcade games, playable in a terminal or browser.

An incremental sci-fi text adventure in the browser: survive in a dark, decayed city, rediscover technology and rebuild civilization.

A text-based, persistent browser-based strategy game (PBBG) in a fantasy war setting

[Old Rhythia, now unmaintained] Rhythm-based aim game

A 2D running game made with libGDX: dodge obstacles and run as far as you can.

💚Amazing magical doodle drawing game provide a creative doodle world for you 🖌💛🌸💚

A 2d game that aspires to be similar to Rimworld, with more depth, magic, and RPG concepts.

A 2D game about laying track and running trains, written in C#, with a browser version.

A tiny memory card game written in Vue 3, playable online.

A game for learning RxJS: use reactive operators to send the right fruit down the conveyor belt.

A 2D infinite side scroller mobile game made in Flutter using Flame engine.

A 3D football game (discontinued, with community forks), also the basis of Google Research’s football environment.

A competitive online game for programmers: guess which open-source repository a code snippet comes from.

The classic Game of Fifteen sliding puzzle, made with Flutter for Android and the web.

A first-person adventure game rendered entirely with HTML and CSS, playable in the browser.

A murder mystery powered by multiple LLM agents: interrogate AI-played suspects to find the killer (bring your own API key).

XiangQi Wizard Light - a Simple but Strong XiangQi (Chinese Chess) AI Algorithm written in C++, Java, JavaScript and ActionScript

A coding battle game: write a JavaScript function to command your ship and fight other players’ AIs.

A multiplayer browser brawler: push other players into the water with items and grenades; host your own LAN server.

A 2D chess game made with Unity.

Godot 3.6 / Tiny Crate / Crate Chucking Puzzle Platformer Game

A small browser game: move your basket to catch the falling eggs.

A cruel but fair Minesweeper: the game tries to make you lose, but never forces a guess.

A chess game written in Java where you play against the computer.

An open-source NES platformer starring Nova, a green squirrel adventuring through an unfamiliar world.

Allure of the Stars is a near-future Sci-Fi roguelike and tactical squad combat game written in Haskell; please offer feedback, e.g., after trying out the web frontend version at

A logic puzzle: place queens so every row, column and colored region has exactly one, with none touching.

A space-race strategy game: lead the US or the USSR, run a space program, develop rockets, train astronauts and race to land on the Moon first.

An action-adventure game for the Game Boy Advance and PSP: jump between planets in your ship and explore. In active development.

Sweep some mines for fun, and probably not for profit.

A HTML5 game of strategy, intrigue and galactic conquest.

A minimalist reflex game: match your key presses to an unstoppable stream of arrows.

A radical homage to 80s pseudo-3D arcade racing games, written in Python.

A slow, real-time ant colony simulation combined with daily mental-health exercises, a homage to SimAnt and Tamagotchi.

Classic community-driven session-based Tower Defense game with RPG elements.

A 2D Android RPG made with Java and libGDX.

A free roguelite dungeon-crawl shooter: play a wizard through random dungeons. Code, art and music by one developer.

An air-to-air combat sandbox: fly fighter jets in dogfights. Made with Python and HARFANG 3D.

A multi-agent programming game: write Python agents that compete for resources in a simulated environment.

A 3D stunt racing game with sci-fi touches, many tracks and a built-in track editor.

Quick dungeon crawler experience on demand with diablo inspired looting system!

Hexagonal pipe puzzles: rotate every tile until all the pipes connect into a single network, on several grid types.

A simple adventure game written in HTML, CSS and JavaScript: explore a mysterious house.

Gauguin is a Sudoku-like game for Android where you solve grids via calculation and logic.

A fully featured web version of the open-source shooter Cube 2: Sauerbraten, playable online in the browser and on mobile.

A turn-based RPG made with Java and libGDX, with exploration, combat and quests.

Gomoku (five in a row) against the computer, playable in the browser.

The official continuation of the classic head-to-head blob volleyball arcade game, with online play.

A roguelike that gives itself a new name every run (work in progress).

A tower defense game for Android themed around microprocessors, with an 8-bit circuits-and-chips style.

🚀 An open source multiplayer space strategy game.

A mobile charades party game: hold the phone to your forehead while friends act out the word.

An online role-playing browser game built with Laravel.

"Slay the Spire"-like roguelite fully in console.

TinyCity is a city simulation game inspired by SimCity for MicroPython

Towns, a town-building and dungeon-exploration game from over a decade ago, now open-sourced and maintained by its community.

A daily dungeon roguelike in the browser: everyone tackles the same new map each day.

Sanmill is an open-source, UCI-like Mill/Morris/Merrills/Mühle/Malom (and its variants) program with CUI and Flutter GUI, sharing and freely distributing the code, tools and data needed to deliver this mill game. We do this because we are convinced that open software and open data are key ingredients to make rapid progress.

A multiplayer browser AI programming game: train your leeks, write their combat AI and battle other players.

A voxel sandbox game set in hyperbolic space, where the world’s geometry works nothing like a normal block world.

A story-driven, collaborative game where players rebuild a world unraveling at the seams by recovering knowledge and crafting.

A browser game for young children that teaches categories and logic, progressing from counting to more complex reasoning.

A js13k 2022 entry: play a necromancer raising the dead to fight off crusaders.

Minesweeper crammed into a 512-byte boot sector — it runs without any operating system.

The online version of Cuttle, a two-player battle card game played with a standard deck.

An endless runner starring a dinosaur, written in Haskell.

An arcade game that challenges you to enter as many valid Bash commands as you can before time runs out.

Open-source, single-player Travian alternative inspired by Travian T4 and Travian Kingdoms

🦁 🃏 📱 An animal matching puzzle card game– built with turn-based game engine boardgame.io and React-Native + React-Native-Web

A massively multiplayer space game: fly rockets and battle other players in the browser — an early HTML5 game.

An open-source Sudoku app built with Flutter.

A terminal game for practicing keyboard typing, built with Go and Bubble Tea.

A holiday defense game made in three days: stop thieves from stealing your presents for as long as you can.

A simple but realistic-looking flight simulator built from scratch with OpenGL.

A cartoon browser game about how the internet really works: lay fiber and subsea cables and grow from one router into a global network.

A retro-style 2D dungeon crawl made with Godot.

A game that sparks interest in system design in under ten minutes: pick a product and build an architecture that holds up.

An open-source multiplayer 2D sci-fi sandbox survival game focused on tech devices, energy and resource gathering.

Flotilla, Blendo Games’ 2010 turn-based tactical space game, open-sourced by its author on its 10th birthday.

An object-oriented text RPG loosely based on the rules of original Dungeons & Dragons.

Team-Capture - A multiplayer FPS game, inspired by games like Quake and TF2. Done in Unity

A small, chaotic survival shooter written in C and raylib that handles thousands of enemies at once, playable in the browser.

An opensource 2d morpg game based on the Godot engine in a medieval inspired fantasy world

An aquarium in your terminal: watch your fish live their lifecycles while you code. A Bevy Game Jam entry.

An experimental open-world exploration game about plants, made as a university project (unmaintained).

The classic 1985 programming game: write C programs for robots that battle in an arena. Released under the GPL by its author.

Legends of Future Past, the classic commercial text MUD from 1992, revived and open-sourced by its original creator and free to play online.

An action 2D platformer made with the Amethyst game engine.

An open-source multiplayer 3D top-down RPG built with Babylon.js and Colyseus (in development).

A fun WebGL game written in Elm, playable in the browser.

A text-based incremental life sim in the browser: rise from beggar to knight and beyond.

The classic solitaire card game implemented in React.

A physics-based space shooter with procedurally generated levels, diverse foes and distinct characters, built with Rust and Bevy.

Zhithead is a clone of the original card game shithead made for the browser

A 1980s arcade-style space shooter that runs in the browser.

A dolphin action game made with Godot: leap, dodge and collect across the ocean.

A multiplayer real-time strategy game in the browser: expand your territory, move your forces and battle other players.

An iOS arcade game: drag circles onto matching colors as the pace keeps rising.

A man. A horse. A nature. A wandering game through procedurally generated landscapes; winner of a CMU term project contest.

An open-source 4X space strategy game: explore a random galaxy, colonize planets, research technology and trade, ally or war with other species.

An open-source online social deduction game — one among you is not like the rest (legacy repository).

An iOS puzzle game inspired by the Seven Bridges of Königsberg: plan routes through bridges, houses, tolls and subways.

A western standoff reflex game: press Space to draw when the signal comes — not before.

A CLI game: see how fast you can guess the programming language of a code block.

A small, simple space shooter written in JavaFX.

A tiny physics toy: a 7 cm jelly baby bouncing around a warm wooden tabletop, in your browser.

A military-sim FPS / RTS game built with Unreal Engine 5, switching between soldier and commander perspectives.

A text adventure that teaches the Linux command line: explore a fantasy world with ls, cd and more.

A cybersecurity game: investigate intrusions in realistic simulated company data and learn threat-intelligence analysis.

Play The Royal Game of Ur online! https://royalur.net

An open-source JavaScript tapping reflex game.

A turn-based tactical strategy game written entirely in ClojureScript, funded on Kickstarter.

Minesweeper for your terminal — start playing with a single npx command.

A programming arena game: write bot programs that control wizards and pit them against other bots, in many languages.

A unique marble puzzle game: steer a small black marble with your mouse and uncover matching pairs of Oxyd stones across hundreds of levels.

The game code of OpenArena, the free open-source arena shooter, also usable as the OpenArena Expanded mod.

A turn-based RPG strategy game where your characters are dice.

An unfinished but playable terminal roguelike on a hexagonal map with tactical positioning, written in Rust.

An AI programming challenge: write a bot that controls a hero to seize gold mines and outfight other heroes.

A casual reflex game in the browser: steer a snake made of balls and eat or dodge bullet balls to score points.

An open-source historical strategy sandbox: play nations and factions on a world map; player-made scenarios are shared under CC BY 4.0.

An online multiplayer version of the Elevation of Privilege (EoP) threat modeling card game

A calm, satisfying ricochet shooter: fire bouncing shots to hold off waves of slimes, on web, mobile and desktop.

Planes of Tlessa, a free browser RPG: level up, collect gear, settle kingdoms and take on raids — no pay-to-win.

Aim-based rhythm game client, built in Godot 4

A multiplayer sword-fighting .io game: defeat other players to collect coins and grow bigger and stronger.

Open-source roguelike shooter for Android. Simple controls, no ads, no tracking, no internet permission. Free forever under GPLv3.

Mechaenetia, a sandbox game in early development that plans to mix technology, industry and exploration.

Open source educational and historical battle action game

A resource management game that puts a farm in your hand

Oathbreaker, a coffee-break stealth roguelike: you are a prisoner in a goblin outpost and must sneak out before your execution.

:european_castle: Little town (travian) game w/ RPG mechanics. Playable. WIP

Midless is a free and open-source voxel game made in C.

A 2D top-down space shooter made using Flutter and Flame engine.

A performance-friendly 3D space game inspired by Freelancer, Orbiter and EVE (and many other games). Made with Godot engine.

Play, study, and analyze Go — free & open-source app with AI analysis and board recognition from photos

A multi-mode vertical-scrolling rhythm game supporting speed changes, hidden notes and several scoring and timing systems.

A community-driven rhythm game with a focus on creativity and expression.

Civilization sandbox in your browser. Tribes invent their own languages, cultures and wars, from the stone age to computers. Built in Rust and WebAssembly, runs entirely on your device.

Strategy game with countless unique and challenging levels.

Fifty short, finishable games in one free, offline, open-source app: board, card, puzzle and arcade. No ads, no trackers.

A multiplayer wizard battle arena: control wizards with elemental spells and duel in fast-paced magical combat.

Dose Response is a roguelike where you play an addict. Avoid the dangers threatening your mind and body while desperately looking for the next fix.

A Slay the Spire–style deckbuilder: play a dreamer trapped in recurring nightmares, fighting with cards to face your inner demons. Much of the art and text is AI-generated.

Unwind and challenge your brain with Arrow Escape, a clean, minimalist puzzle game built purely for the love of play.

A complete first-person shooter in a single 290 KB HTML file. No build step, no assets, no dependencies beyond three.js from a CDN.

:blue_car: Small scale traffic simulation with a playful approach

A procedurally generated open-world RPG that creates a whole world of terrain, rivers and ecosystems for you to explore (early development).

A rhythm game that plays many chart formats, with communities, leaderboards, replays and lots of modifiers, on Windows and Linux.

🃏 Powerful, customizable, cross-platform, opensource table sandbox game

Animal Chess (Dou Shou Qi / Jungle) written in Rust, with Alpha-Beta and AlphaZero-trained AI opponents. Move any animal into the opponent’s den to win.

A little adventure game written in Kotlin using LibGDX,LibKTX,Box2D and Ashley