Open Source Games

3D chess game done in HTML/CSS/JavaScript.

Connect Four game where player is playing against an AI.

Free online board game that was designed to be played just like a board game in real-life: no rules are enforced by the computer.

Solitaire mahjong game done in HTML/CSS/JavaScript.

The game of imperfect information, the Kriegspiel chess variant.

Free chess game using HTML5 & websockets built with Scala, Play 2.8, MongoDB and Elasticsearch.

Open-source multiplayer chess platform for humans and AI agents, with real-time WebSocket gameplay, Elo-based matchmaking, 3D browser board (Three.js), MCP server, and UCI-compatible CLI. Built with Go and React.

AI-powered Werewolf (Mafia) social deduction game where every player is controlled by top LLMs. Built with Next.js and TypeScript.

Help Alge escape by moving through the levels to the escape tube.

Don't let the aliens reach the bottom, eliminate them using your spaceship.

Clone of the Arcade game Tempest. Survive as long as possible and score many points as possible.

Pure JavaScript asteroids. Destroy asteroids ans saucers controlling a triangular ship rotating left and right.

Get your Ava away from the blocks moving between them.

Destroy the blocks using the Vaus, that is ejected from the ship.

Multiplayer with HTML5. Destroy the blocks using one ball from your ship.

HTML5 mobile game created using ImpactJavaScript.

A remake of the iconic 70's Snake game.

Intense game about the extreme life of supermarket cashiers.

2D musical platformer set in a dark, black & white world that progressively becomes more colorful and happy through successful gameplay.

Infinite jumping style game inspired by Doodle jump.

Flappy Bird clone in JavaScript using MelonJavaScript.

HTML5 snake game written in CoffeeScript.

HTML5 canvas game where you defeat enemies by wrapping enemies in your trail.

Infinite runner following a black and white pixel's quest to change into a color pixel.

Choose an open source project and help that project by sorting code to proper branches.

Flappy Bird clone in JavaScript and Canvas2D API.

Play the classic Tetris game the way you like it.

Asteroids style game in HTML5 as a demo of the d3 library.

The player is placed in an underground maze and can dig horizontal and vertical tunnels through it.

Classic shoot 'em up game build with the Three.js library.

Drill game with a bunny finding good stuff under the earth.

DuckHunt ported to JavaScript and HTML5 with a level creator.

Fantasy game port of the indie platform game Emberwind.

Clone of NES game MegaMan, written in JavaScript.

Renders a table tennis game interacting with a full-color real-time fluid simulation at 60 FPS.

Explore old, abandoned graveyard, heal as many zombies as you can, and find your way out. But be careful not to become one of them.

Help Hotfix collect stargazers and avoid enemies. Collect commits to upgrade hotfix and add new features.

Guide N4n through the dangerous trash-heap caverns to reach the Primary Systems Core and restore compliance to the Trash.

An experimental p2p multiplayer game made in HTML5/Phaser using WebRTC.

Simple Unity 2d game that is very literally based around the theme of "change" using the classic Jeykll and Hyde story.

With your awesome suit, jump from planet to planet to conquer them.

Infinite Mario in HTML5 JavaScript using Canvas and Audio elements.

The hyper-deluxed-super-mega software that beats back those malicious apps.

Tetris clone created using HTML5/JavaScript/Phaser.

Simple HTML5 game created with Phaser 2.0.7.

Navigate your ever-jumping Octocat and collect stars for extra points.

Fight off hordes of classic medieval monsters in this fast paced arcade shooter.

Addictive game where you guide little Pappu around obstacles while collecting coins, stars, and berries and avoiding enemies known as Pakias.

JavaScript version of the snake game, created using the Phaser Engine.

Simple platformer game that demostrates the power of the Entity game engine.

Minimalist 3D game. Dodging branches may seem easy at first, let's see how long can you hold up as you approach terminal velocity.

To survive in People's Park, you must supply the prophet with change.

JavaScript/HTML5 web browser game where a a hungry (ninja) rabbit farts too often.

Abstract racing game where you fight against the clock and the computer to get as far as you can in a product's life-cycle.

Fully canvas based HTML5 game where a player has to extinguish fire on tress using his magical water tank in order to save the Burning Forests.

Controls a skier on a mountain slope, avoiding obstacles while racing against time or performing stunts for points, depending on the game mode.

Simple clone of the snake game, using canvas and JavaScript.

Classic nokia snake game using web.

Classic shoot'em up space shooter build in HTML5 with multiplayer.

Danger lurks around every corner in space.

Multiplayer 1v1 air-hockey style game, place squares to deflect the ball.

HTML5 game developped with PhaserJavaScript Framework.

One level written with Backbone Game Engine.

Playable HTML + CSS + JavaScript remake of a space-based "shoot-'em-up" arcade game for Atari / Commodore 64 from 1982, including a level editor and design tool.

Browser-based remake of the famous XPilot game, built with Node.js and HTML5.

Game is based on our original comic ZED, seen inside "zero-episode" called "Game Over".

One button games are famous for realizing various actions with one button.

DuckHunt ported to JavaScript and HTML5 with a level creator.

Addictive game where you guide little Pappu around obstacles while collecting coins, stars, and berries and avoiding enemies known as Pakias.

Game inspired by DOOM 1993 and The Backrooms, small enough to be self contained inside a QR code.

Port of the Cube 2/Sauerbraten 3D game engine/first person shooter to the web, compiling C++ and OpenGL to JavaScript and WebGL using Emscripten.

Isometric minimal-code style game at HTML5 canvas and JavaScript.

RPG/Rogue-like game created in JavaScript.

Randomly generated action RPG. You play as a chubby archeologist who is tasked to retrieve three sacred artifacts from the pyramid of the legendary Pharaohs.

HTML5/JavaScript multiplayer game experiment.

Materialize and control beasts in order to defeat your opponents.

Recreation of the original Command and Conquer, Real Time Strategy game entirely in HTML5 and JavaScript.

Build cities, collect resources, organize your government, and build an army, with the ultimate goal of creating the best civilization.

Turn based dungeon crawler written with TypeScript, using React and SVG.

Open source turn-based strategy game. Clone of the Enemy Flag.

3D Tower Defense build with Three.js in HTML5.

Futuristic HTML5 racing game, challenge your friends on this fast-paced 3D game.

Fast arcade rally racing action, play in your browser with WebGL 3D graphics.

Goal was to build a city in 3D to test the performance of WebGL and and Three.js.

Fully modifiable multiplayer voxel world in JS that can run efficiently in the browser.

Resembles that of Minecraft, a popular voxel-type 3D game based on boxes.

Falling-sand experimentation game with over 500 materials to play with.

Clone of 1024, based on Saming's 2048.

Dodge and shoot the red targets, grabbing the bombs as you go. Survive as long as possible and try to get a high score.

A word game and API for anagrams.

WebGL maze game built with Three.js and Box2dWeb.

Music game where you arrange the drums to catch the beats and play the right rhythm.

HTML/JavaScript game where you control a bot, which must sense, plan, and act.

JavaScript game based on Blicblock in The Sims 4. Match tetrominoes to clear the board.

Embed & play the classic game on your site. Simple as that.

Minimalist game about leaving home.

Puzzle, memory, retro game with simple graphics.

A physics-based puzzle, loosely related to the original 2048 game.

A puzzle game inspired by functional programming.

Retrace your drunken rampage in reverse time.

Fully commented version of the famous game in JavaScript, built using Phaser game engine.

Puzzle platformer game about a king in search for his lost crown.

Victor, an annoyed janitor dealing with a lot of annoyed clones and the problems that inevitably arise from genetic duplication. Will he make it home to feed his faithful pet companion?.

Hexgrid-based clone of 2048.

Push down all the blocks in the minimum number of moves.

Addictive puzzle game inspired by Tetris.

Sokoban-like puzzle game developed with Phaser.

You're a firefly lost in the dark, beneath the surface and must find a way out of the mazes created by the horrors in the dark.

JavaScript game created for the Ludum Dare #28 jam.

Modern version of the 90's game Logical.

A numbers puzzle game.

The Pound is about relaxing and exploring a beautiful world.

Implementation of Minesweeper in Dart.

Match all the colors.

Puzzle game in which you carry a fork, push blocks, and go back in time.

The shape recognition reflex game.

Sliding blocks puzzle game.

A Sudoku puzzle game with a clean design and mobile devices in mind.

New take on the classic tile-based puzzle game, where you change which character you're controlling to reach your goal.

2d puzzle platformer based on the concept of transforming into different "blocks", with their unique properties, and making you way to the end of the level with the provided transformations.

Meta-JavaScript adventure game by Alex Nisnevich and Greg Shuflin.

Made in HTML5 using Phaser as the framework, original assets and generated music.

3D version of Sokoban.

Connect like colors.

Roguelike puzzle game.

Addictive incremental game that teaches players the history of high energy particle physics.

You're in a strange house. Can you find the way out? Is there any?

An homage to the 1984 ASCII game "BEAST" from Dan Baker, Alan Brown, Mark Hamilton and Derrick Shadel written in node. You have to squash little ASCII beasts between pushable blocks but watch you to not be eaten by them.

Competitive, multiplayer, realtime, guess the song game.

Unusual Ping Pong game, adaptable with Makey Makey Kit.

HTML5 shooter/tower defense game for the #CandyJam.

A TypeScript 2D physics game.

ASCII-art based procedurally-generated dungeon crawl game. It's written in Dart and runs in your browser.

Game made in 48 hours for the 2013 Global Game Jam.

Space shoot 'em up game.

JavaScript/HTML5 game, GitHub Game Off 2 winner.

Well-known indie game implemented in JavaScript.

Flash/ActionScript3-based "nongame".

You have been invited to craft the centerpiece of the American thanksgiving dinner, the turkey. Woo your girlfriend / boyfriend and be judged by your future in-laws! Apply your culinary expertise to impress your family.

Exclusively Co-Op Metroidvania with Smash Bros Melee Movement.

Competitive top-down shooter with extreme dynamics and pixely nostalgia. Has a built-in map Editor.

Open-source Tomb Raider 1-5 engine remake.

An open-source reimplementation of Grand Theft Auto III on the Godot Engine.

Overhead shoot-em-up port of the classic DOS game.

2D run'n'gun action game with RPG elements.

Libre clone of Gunpoint, a game in which you hack and punch your way to victory.

Bomberman clone using the awesome open source Godot game engine.

A ChuChu Rocket remake for PC.

Indie, side-scrolling, action, RPG.

Arcade game inspired by Fall Down.

Sidescrolling skill-based game.

Clone in Lua with LÖVE.

Single and multiplayer action game with mining carts.

Liero clone, like realtime Worms, or a 2D Quake.

Oldskool Gravity Game, very difficult lander game in glorious vector graphics.

2D car crashing game similar to the old classic Destruction Derby.

Cross platform, 2D space shooting game made using pygame.

Pretty looking breakout clone available in most distributions.

Fan-made, open Source clone of the Touhou series.

Online multi-player platform 2D shooter.

Tempest(80's arcade game) clone in Java, and a small project for playing with git.

Roguelite dungeon crawl shooter similar to The Binding of Isaac.

Rhythm is just a click away!

Total conversion of Wouter van Oortmerssen's FPS called Cube.

World War 2 online multiplayer tactical shooter based on Red Orchestra: Ostfront.

Free software FPS based on the classic Doom engine.

A modern 3D game and engine with portals written in C++.

The free software FPS engine that can be used to play Quake 3, or make your own game.

Call of Duty: Zombies "de-make" powered by various enhanced forks of the Quake engine.

Tomb Raider open-source engine.

Compatible client of Ace of Spades 0.75.

Fast-paced, futuristic FPS with RTS elements.

Free multiplayer first person shooter that will run on any Quake III Arena compatible engine.

Fun-filled new take on the first person arena shooter, featuring parkour, impulse boosts, and more.

Fast-paced FPS in a futuristic cartoonish world.

An addictive arena-style first person shooter with crisp movement and a wide array of weapons.

The first 3D MMORPG, released in 1996 and open sourced in 2012 - the game is being actively developed by the community.

RPG game action-adventure MMO focusing heavily on story, combat, and an open-world sandox adventure. Built with Godot, Rust, and Zig.

Fun friendly and free 2D multiplayer online adventure game with an old school feel.

Reimplementation of old-school Knight Online that replicates the 1299 client functionality while preserving accuracy and compatibility with the version 1299 client and server.

An action-adventure role-playing game set in a vast fantasy world.

Single-player dungeon exploration game in the universe of JRR Tolkien.

Cross-platform port of Arx Fatalis, a first-person role-playing game.

Roguelike set in a post-apocalyptic world.

Platformer-RPG in a fantasy setting with puzzle elements.

Single-player roguelike dungeon exploration game with a larger focus on combat compared to other popular roguelikes.

Party-based fantasy roguelike role-playing game.

Cool 3D dungeon crawling game in the spirit of NetHack.

Fantasy action RPG game with its own engine.

Open-source implementation of the Diablo I engine.

Single-player roguelike dungeon exploration game and one of the most popular games in its genre.

Reimplementation of the Morrowind game engine.

Sequel to The Legend of Zelda: A Link to the Past released on the SNES.

Single-player medieval-fantasy 2D J-RPG.

An open source game based on the source code of Pixel Dungeon by Watabou.

World's first LLM on Nintendo 64. 819K-parameter nano-GPT transformer running live inference on MIPS R4300i at 60 tok/s. Zelda-style dungeon crawler with AI NPCs. Built with libdragon SDK.

Nonlinear 2D puzzle platformer taking place in impossible spaces.

A fun, explorative and story-driven platformer with minigames. Made with the Godot Engine.

Commander Keen compatible clone.

Cooperative online precision platformer with thousands of maps and global ranks.

Built with the Phaser HTML5 game framework.

Hardcore oldschool platformer on INSTEAD.

Action-adventure game, starring a certain quixotic frog.

Award-winning physics platformer.

This 2d platformer is based on Community's Digital Estate Planning episodebuilt using the LÖVE game engine.

First level of Super Mario Bros made with Python and Pygame.

A remixed local multiplayer reimagining of the original Mario Bros.

Custom engine 2D platform game made with OpenGL.

2D platform game with a persistent world.

A 2D platform game in classic style.

Platformer game inspired by SuperTux.

Retro platformer game.

Classic 2D jump'n'run sidescroller with Tux.

CLI version of the game 2048 for your Linux terminal.

CLI version of the game 2048 made right.

The Castles of Dr. Creep.

C# implementation of Dominion, a board/card game.

Really nice board game implemented in a bad way a VERY long time ago.

Patience card game written in Ruby.

Cute puzzle platformer starring a cleaning robot on post-apocalyptic Earth.

Ncurses based CLI sudoku game.

Match-3 puzzle game.

Graphical tic-tac-toe AI which never loses.

Most awesome puzzle game.

Implementation of Texas Hold'em supporting (online) multiplayer and botplay.

Rally game with Track Editor, based on VDrift and OGRE.

Free 3D kart racing game featuring open source mascots.

Soccer programming game with 2D simulation.

Sandbox game based on a molecular voxel interaction engine.

Simple Minecraft clone written in C using modern OpenGL.

Space trading and combat game similar to the classic Escape Velocity series.

Sandbox game inspired by Minecraft.

Simple Minecraft-inspired demo written in Python and Pyglet.

A multiplayer block-building voxel game, Minecraft clone.

Infinite-world block sandbox game with survival and crafting.

A Minecraft-inspired game for the terminal.

Soft-Body physics simulator for vehicles and more.

Voxel-based sandbox game set in an asteroid field in space.

A 2D sandbox adventure game where players explore a vast procedurally generated universe.

Voxel world game engine inspired by Minecraft and others with fancy graphic effects and a heavy focus on extensibility.

Falling-sand physics sandbox game.

Chase Whisply is a FPS. You have to seek, find and kill the ghosts living around you.

Simple color based Android Game.

Conway's Game of Life with editable rules.

Lexis, TicTacToe, Puzzlemania - a collection of 3 board games done with Cocos2d for Android.

Weirdly addictive arcade-style Android game, where you fling fruit at a wall. Project developed using Android Studio 1.0.

Simple and beautiful memory game for kids.

Game to pop pimples using the awesome Godot Engine.

Traditional roguelike game with pixel-art graphics and simple interface.

Slider puzzle game implementation created with Cocos2d for Android.

Clone of 80's coin-op arcade game Tempest(80's arcade game).

Very simple reaction measuring game that can also be played together on the same device.

Arcade game about a bug-craving bat.

Puzzle game with bridges, houses, tolls, and subways for iOS.

Release of Canabalt for iOS.

Simple logic game. Choose the right figure. Train your attention.

Classic Doom Game for iOS.

Simple multiplayer rhythm game designed during the 2013 Global Game Jam.

Tank deathmatch battle game developed using Cocos2D.

Iphone port of the popular old QBasic game.

iOS Auditorium-like game.

Puzzle game for iOS developed using Cocos2D. Available free on the App Store.

iOS action game developed using SpriteKit. Available free on the App Store.

iOS Source Release.

iOS action game developed using SpriteKit. Available free on the App Store.