All Games
Every game is released under an open-source license and free to get.
Mindustry
An automation tower-defense RTS: build conveyor belts and factories to produce resources and hold off waves of enemies, with multiplayer.
86osu!
The official open-source osu! client (lazer): click, tap and drag to the rhythm across a huge library of community-made beatmaps.
86lichess
♞ lichess.org: the forever free, adless and open source chess server ♞
822048
The original 2048 number puzzle: slide the tiles so matching numbers merge, and try to build a 2048 tile.
81Unciv
An open-source turn-based 4X strategy game in the style of classic civilization games, for Android and desktop, actively updated.
81Craft
A simple Minecraft clone written in C using modern OpenGL (shaders).
79WarriorJS
🏰 An exciting game of programming and Artificial Intelligence
78A/B Street
Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit
Citybound
A work-in-progress, open-source, multi-player city simulation game.
Endless Sky
A 2D space exploration, trading and combat game: fly between star systems, take missions, upgrade your ship and get drawn into a sweeping story.
77Veloren
A multiplayer open-world voxel RPG: explore a vast procedurally generated world, fight, craft and adventure.
77▶ Play hereFlexbox Froggy
A browser puzzle game that teaches CSS Flexbox: write layout code to guide the frogs back to their lily pads.
76shapez
shapez is an open source base building game on Steam inspired by factorio!
76韦诺之战(Battle for Wesnoth)
An open source, turn-based strategy game with a high fantasy theme.
Githug
A level-based game for learning Git: each level asks you to solve a small problem with the right Git commands.
Shattered Pixel Dungeon
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.
75▶ Play hereServer Survival
Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling.

The Evolution of Trust
An interactive game about the game theory of trust and cooperation, explored through repeated prisoner’s dilemmas. Dedicated to the public domain.
75Chop Chop(Unity Open Project #1)
Chop Chop, Unity’s official community open project: an action-adventure game that demonstrates a complete game-development workflow.
The Powder Toy
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.
Pixel Dungeon
The classic pixel-art roguelike dungeon crawler that inspired many later open-source dungeon games.

Duelyst
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.
Space Station 14
A multiplayer game about paranoia and chaos on a space station. Remake of the cult-classic Space Station 13.
Ruby Warrior
A game that teaches Ruby: write Ruby scripts to guide a warrior up a tower, fighting enemies and rescuing captives floor by floor.
Cubyz
Voxel sandbox game with a large render distance, procedurally generated content and some cool graphical effects.

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

GameShell
A game that teaches the Unix shell: complete missions in a real shell and learn the standard commands as you play.
▶ Play hereIsoCity
A small isometric city builder in the browser: place roads and buildings at your own pace.
▶ Play hereSandspiel
A creative falling-sand sandbox in the browser: place sand, water, fire, plants and more and watch them interact.
git-game
A terminal game that tests your Git skills across ten increasingly difficult levels.

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

Widelands
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.
OpenFront
A multiplayer real-time strategy game in the browser: expand across real-world maps and fight for dominance.
▶ Play hereYou're the OS!
A game where you are a computer's OS and you have to manage processes, memory and I/O events.

Elevator Saga
The elevator programming game: write JavaScript to control a bank of elevators and move passengers efficiently.
Marble Marcher
A marble game built on a fractal physics engine: roll across ever-shifting fractal terrain to reach the flag as fast as you can.

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

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

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

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

2048.cpp
🎮 Fully featured terminal version of the game "2048" written in C++
Racing Game (pmndrs)
A community-built 3D racing game made with React and three.js, using only CC0 assets and playable in the browser.

Ratel 命令行斗地主
Play Dou Dizhu (Fight the Landlord) and Texas Hold’em in the command line, with online multiplayer.

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

DungeonRush
👾🐍 A opensource game inspired by Snake, written in pure C with SDL
▶ Play herecube composer
A puzzle game inspired by functional programming
SNKRX
A replayable arcade shooter where you control a snake of heroes.

Open Golf
A cross-platform minigolf game written in C, also playable on mobile.
/tg/station 13
/tg/station, one of the largest Space Station 13 codebases: a multiplayer space-station role-playing game (requires the BYOND client).

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

Ancient Beast
The Turn Based Strategy Game/eSport. Master your beasts! 🐺
HexGL
A futuristic HTML5 racing game: pilot an anti-gravity ship around high-speed tracks in your browser.
▶ Play hereHypersomnia
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱
VIM Master
VIM Master: in-browser game that teaches core Vim motions and editing commands through short, focused levels.

rpg-cli
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.

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

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

VimGameCodeBreak
A block-breaking game inside Vim that turns the code you’re editing into bricks.
Freeciv
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.
▶ Play here叠楼大师(Tower Game)
💒 HTML5 Canvas Tower Building Game 🏢🏬🏦🏯🏰
Brogue: Community Edition
Brogue: Community Edition - a community-lead fork of the much-loved minimalist roguelike game
K8sQuest
A hands-on Kubernetes learning game: each mission breaks something in a local cluster and you fix it, across 50 progressive challenges.

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

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

K8s Games
Learn Kubernetes by playing. Deploy pods, fix CrashLoopBackOff, type real kubectl commands: 3D browser game, no install needed.

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

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

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

Blockly Games
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.

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

Vue Idle Game(挂机刷装备)
A browser idle loot game with fully random gear: clear dungeons for equipment and gold, then take on endless challenges.
USDX
The free and open source karaoke singing game UltraStar Deluxe, inspired by Sony SingStar™

Rigs of Rods
A soft-body physics sandbox that simulates cars, trucks, trains, boats and aircraft deforming in real time — drive, crash and experiment.
Evolve
An incremental game about evolving a civilization from primordial ooze into a space-faring empire, mixing clicker and idle play with lots of depth.
Colobot: Gold Edition
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.
▶ Play hereBemuse
⬤▗▚▚▚ Web-based online rhythm action game. Based on HTML5 technologies, React, Redux and Pixi.js.

OpenSpades
A voxel multiplayer shooter with destructible terrain and online matches.

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

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

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

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

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

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

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

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

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

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

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

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

Never Blink
An online staring contest: get matched with a random player and use your webcam — whoever blinks first loses.

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

EmptyEpsilon
A multiplayer spaceship bridge simulator: friends crew the stations — captain, helm, weapons, science — of one starship, with a Game Master mode.
ChineseChess(中国象棋)
A cross-platform Chinese chess (Xiangqi) game built with Qt, with play against the computer, two-player mode and network play.
PyChess
A free, feature-rich chess client for Linux, Windows and macOS: play engines or opponents online.

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

Antimine
Antimine is an open source minesweeper-like puzzle game.
beatoraja
Cross-platform rhythm game based on Java and libGDX.

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

Tetro TUI
Terminal-based but modern tetromino-stacking game that is customizable and cross-platform
Catch the Cat(捉住小猫)
A browser puzzle: place walls to trap the cat before it escapes to the edge — every move you make, the cat makes one too.

Rebels in the Sky
P2P terminal game about spacepirates playing basketball across the galaxy

piu-piu
An old-school side-scrolling shoot-’em-up written in Bash: fight through 100 aliens to face the mothership, with team and duel multiplayer.
Labyrinth of the Dragon
An 8-bit adventure RPG/roguelike for the Game Boy Color, playable on emulators or real hardware.

tprPix
A cross-platform 2D survival sandbox game project built with C++17 and OpenGL (in development).
HyperRogue
A puzzle roguelike set in the hyperbolic plane, where non-Euclidean geometry changes everything about space. Collect treasure and avoid monsters.
FreeCol
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 Builder
Open "Minecraft-like" game with multiplayer support and Lua scripting support for the both client and server

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

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

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

PokerTH
An open-source Texas Hold’em poker game, playable offline against bots or online with other players.
I/O FLIP
Google I/O 2023’s card battle game with AI-designed cards, built with Flutter and Firebase and playable in the browser.
Particle Clicker
An addictive clicker made at CERN Webfest that teaches the history of high-energy particle physics.

Interplanetary Postal Service
A lunar-lander-style game with computational fluid dynamics: fly a lander to deliver mail to distant colonies. A js13k entry.
▶ Play herescribble.rs
The free and privacy respecting pictionary game - Play at https://scribblers.bios-marcel.link
Etterna
A rhythm game for keyboard players that grew out of StepMania, with online scoreboards, multiplayer and an active community.
noeuclid
A GPU-raytraced non-Euclidean game where space connects in counter-intuitive ways.
LinCity NG
A classic open-source city simulation: build and maintain a city, and win through a sustainable economy or by evacuating everyone by spaceship.

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

SineRider
A game about love and graphing: type math functions to shape the terrain and sled to your goal. Built by teenagers at Hack Club.
Wikitrivia
A timeline trivia card game built from Wikidata: place event cards in the right order on the timeline.
Memory Game
Simple and beautiful memory game for kids (since 2014)
▶ Play hereGeoGuess
GeoGuess is an open-source geography game with Google Map StreetView. You can play solo or with your friends simultaneously.
Hedgewars
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.
Civis
A 4X strategy game you play in the browser: explore, expand, exploit and exterminate.

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

Ethertia
A multiplayer voxel sandbox survival game built in Rust and Bevy (in development).
3D Hartwig Chess Set
A 3D chess game built with HTML, CSS and JavaScript, using the classic Bauhaus Hartwig piece design, playable in the browser.
Idle Fantasy
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.

Command Line Chess
Play chess against an AI in the terminal, with a two-player mode too. Written in Python.
Chess for Android
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.

Claude of Tanks
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.
Swarm Simulator
An idle game: start with a few larvae and a pile of meat and grow a swarm of trillions of giant alien bugs.
▶ Play hereRobotopia
A coding game for kids: use block-based code to guide cute little robots through challenges.

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

The Stolen Crown
A fantasy mini-RPG made with Python and Pygame, with towns, an overworld and turn-based battles.
The Long Silence
A procedural space exploration game that runs in a browser tab, where every star, world, ring and derelict is generated from a seed.
Habitat
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.

Suroi
An open-source 2D battle royale game you play in the browser (in development).
MechaHamster
Guide a hamster ball through dangerous space mazes, then build your own mazes and share them with friends. Made by Google.
UltraStar Play
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.

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

ArcCreate
Community based rhythm game editor and player made with Unity.

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

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

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

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

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

Circuit Artist
A digital circuit drawing and simulation game where every circuit is an image — pixel triangles are NAND gates and you build logic by painting.
Eepers
A simple turn-based puzzle adventure written in Ada, for Windows and Linux.

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

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

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

The Git Game
Guess who made each commit in your team’s repo from the commit message, and go for the longest streak.
Umoria
The maintained source of the classic roguelike Moria: adventure deep into a vast underground dungeon.
Euclid: The Game
A geometry game based on Euclid’s Elements: solve construction challenges using only a straightedge and compass.
▶ Play hereMk48.io
A multiplayer naval combat .io game: command a ship, upgrade as you go and battle other players at sea.

TOSIOS
The Open-Source IO Shooter: a multiplayer browser shooter anyone can host and play.
DroidFish
A feature-rich Android chess app with the strong Stockfish engine, for playing, analysis and studying games.

Card Game Simulator
Create, share and play card games of all kinds, solo or online, on desktop and mobile.
Glenn Explore
A 3D multiplayer driving and exploration game on real-world maps, played in the browser.

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

Pooltool
A sandbox billiards game that emphasizes realistic physics

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

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

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

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

斗地主(Go 网页版)
A browser Dou Dizhu (Fight the Landlord) game written in Go, with a built-in AI and online play.
Word Master
A Wordle-inspired word-guessing game: six tries to find a five-letter word, with no once-a-day limit.
Bash Dungeon
A dungeon crawler in the shell where dungeons are directories — explore with cd and ls and learn the command line as you play.

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

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

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

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

Phaser Quest
A reimplementation of Mozilla’s open-source multiplayer browser RPG BrowserQuest, built with Phaser.
Natural Number Game
A math proof game: prove the basic properties of natural numbers from scratch with the Lean 4 theorem prover, level by level.
ShootR
A multiplayer space-ship shooter built on SignalR and played in the browser.
Asciicker
A 3D action-adventure game concept rendered entirely in ASCII characters, playable in the browser.
▶ Play hereKoil
Online Multiplayer Browser Game with Old-School Raycasting Graphics.

Magog
A fantasy roguelike written in Rust (work in progress).
Voidcall
A real-time strategy game in 13 KB of JavaScript and WebGL, made for the js13k competition.
hello wordl
A word-guessing game: six tries to find the word, with colored letters as clues and adjustable word length.

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

Tower of Time
A time-traveling tower defense game: rewind time to defend your base against waves of enemies. A game-jam entry playable in the browser.
Nudoku
Sudoku in the terminal, built on ncurses: simple controls, and you can export puzzles to PDF or images to print.

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

Neon Skylines
A procedurally generated retro 3D flying game and winner of GitHub Game Off 2017.
Curse of War
A fast-paced real-time strategy game in the terminal: expand your territory and move your armies against computer or human players.
JS Equality Game
“The worst Minesweeper ever”: guess the results of JavaScript’s == comparisons — a playful case for using ===.

Quantum Game
A browser puzzle game with real quantum mechanics: guide photons through optical elements and play with superposition and entanglement.
Brain Workshop
The classic dual n-back brain-training game for working memory, maintained by the community.

lishogi
A free, ad-free open-source shogi server forked from lichess: real-time and correspondence games, engines and puzzles.
React RPG
A turn-based dungeon-crawling RPG made with React and Redux, with story and endless modes, playable in the browser.
IVAN
Iter Vehemens ad Necem - a continuation of the graphical roguelike by members of http://attnam.com

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

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

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

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

Burning Knight
Top-down roguelike about goblins, lamps and magic
Hue Jumper
A retro 3D endless racing game in just 2 kilobytes — the whole game is a single HTML file.

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

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

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

COMMIT4
A retro LCD-handheld-style game: control the Octocat and shoot incoming bugs. Winner at GitHub Game Off 2017.
AI 斗地主
A single-player Dou Dizhu (Fight the Landlord) card game with AI opponents.

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

ROTA
Godot 3.6.1 / ROTA: Bend Gravity / Gravity Bending Block Puzzle Platformer Game
Open Sudoku
A simple open-source Sudoku game for Android, with puzzle import.
Wyrmsun
Strategy game based on history, mythology and fiction

Space Snake
A space-themed snake game for the desktop, built with Electron and Vue.
Dosidicus
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.
▶ Play hereBreakLock
A browser puzzle that mixes Mastermind with the Android pattern lock: work out the hidden pattern in a limited number of tries.

Lyceum
An MMO game written in Erlang + PostgreSQL (+ Omnigres) + Zig (+ Raylib), powered by a Nix-based devenv
Oort
A space fleet programming game: write the AI that controls your ships and command your fleet in missions and battles, in the browser.

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

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

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

ITGmania
A community-driven dance rhythm game forked from StepMania 5.1, with built-in network features, for home and arcade use.
Curvytron
A browser multiplayer curve-racing game: steer your ever-growing line and make opponents crash into the trails.

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

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

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

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

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

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

Fly Dangerous
A love letter to the Elite Dangerous racing community ❤
Tobu Tobu Girl
An arcade platformer homebrew for the Game Boy, playable on emulators or real hardware.

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

Nothing
A simple platformer about nothing.

我的放置仙途
A cultivation-themed idle browser game: train, explore, meet fortunes, brew elixirs and raise spirit pets and gear.
The Tale
Text-based Zero Player MMORPG [Russian language]
Remixed Dungeon
Traditional roguelike game with pixel-art graphics and simple interface - Remixed Pixel Dungeon
▶ Play hereRhythm Plus
Community-based vertical scrolling rhythm game (VSRG) made with Vue.js and canvas (WIP)
Chirperjax
A simple 2D platformer written in Rust, playable in the browser.
Godot Tiny MMO
An experimental cross-platform open-source MMORPG built with Godot 4, playable in the browser.

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

Rusty Shooter
[suspended] 3d shooter written in Rust using rg3d
▶ Play hereDrawphone
Draw what you see, and guess what your friends drew
▶ Play hereClassic Pool Game
Classic 8 Ball pool game written in JavaScript
Zooshi
A casual game from Google: ride a raft down an endless river and toss sushi to well-dressed animal patrons.
Infinite Chess
A free website for playing chess variants on an infinite, boundless board, with online play.
Musicope
An open-source online piano game: play along to falling notes, similar to Synthesia.
Space Huggers
A roguelike platformer with destructible environments in 13KB of JavaScript
Animdustry
An anime gacha bullet-hell rhythm game made by the Mindustry developer as an April Fools’ event, for Windows, Linux and Android.

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

Kailius
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 (c4)
Connect Four in the browser: play against the computer or a friend and be the first to line up four discs.
FOSS Puzzle Games
A suite of 300+ minimalist puzzle games built with Flutter. Leave a 🌟 to show your support

Freeciv21
A modernized turn-based 4X empire-building game based on Freeciv: grow from humble roots to a global empire.
Orona (Bolo)
Bolo, the classic top-down tank warfare game, rewritten for modern browsers with multiplayer battles and base capture.

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

Pont
An online multiplayer board game written in Rust and WebAssembly.
ACGN 股票交易市场
A browser stock-trading simulation from Taiwan’s PTT community, where anime, comic and game characters are traded as stocks.
Ascii Patrol
A side-scrolling moon-buggy shooter drawn entirely in ASCII characters, a tribute to classic arcade games, playable in a terminal or browser.
Level 13
An incremental sci-fi text adventure in the browser: survive in a dark, decayed city, rediscover technology and rebuild civilization.

OpenDominion
A text-based, persistent browser-based strategy game (PBBG) in a fantasy war setting
Sound Space Plus
[Old Rhythia, now unmaintained] Rhythm-based aim game
Martian Run!
A 2D running game made with libGDX: dodge obstacles and run as far as you can.

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

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

Dino Run
A 2D infinite side scroller mobile game made in Flutter using Flame engine.
象棋小巫师(XQWLight)
XiangQi Wizard Light - a Simple but Strong XiangQi (Chinese Chess) AI Algorithm written in C++, Java, JavaScript and ActionScript

Tiny Crate
Godot 3.6 / Tiny Crate / Crate Chucking Puzzle Platformer Game
▶ Play hereAllure of the Stars
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
Race Into Space
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.

minesweep-rs
Sweep some mines for fun, and probably not for profit.

Solaris
A HTML5 game of strategy, intrigue and galactic conquest.
YouTD 2
Classic community-driven session-based Tower Defense game with RPG elements.

Unlucky
A 2D Android RPG made with Java and libGDX.

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

Dungeon Crawler OD
Quick dungeon crawler experience on demand with diablo inspired looting system!
▶ Play hereHexapipes
Hexagonal pipe puzzles: rotate every tile until all the pipes connect into a single network, on several grid types.

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

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

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

Galaxy of Drones
🚀 An open source multiplayer space strategy game.

Laravel RPG
An online role-playing browser game built with Laravel.

End of Eden
"Slay the Spire"-like roguelite fully in console.

TinyCity
TinyCity is a city simulation game inspired by SimCity for MicroPython
▶ Play hereRogule
A daily dungeon roguelike in the browser: everyone tackles the same new map each day.

Sanmill 直棋
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.

Pillage First Ask Questions Later
Open-source, single-player Travian alternative inspired by Travian T4 and Travian Kingdoms

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

Team Capture
Team-Capture - A multiplayer FPS game, inspired by games like Quake and TF2. Done in Unity
Jdungeon
An opensource 2d morpg game based on the Godot engine in a medieval inspired fantasy world

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

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

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

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

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

SNAKEBALL
A casual reflex game in the browser: steer a snake made of balls and eat or dodge bullet balls to score points.
Open Historia
An open-source historical strategy sandbox: play nations and factions on a world map; player-made scenarios are shared under CC BY 4.0.

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

Ricochlime
A calm, satisfying ricochet shooter: fire bouncing shots to hold off waves of slimes, on web, mobile and desktop.
Planes of Tlessa
Planes of Tlessa, a free browser RPG: level up, collect gear, settle kingdoms and take on raids — no pay-to-win.
Client
Aim-based rhythm game client, built in Godot 4
Swordbattle.io (v1)
A multiplayer sword-fighting .io game: defeat other players to collect coins and grow bigger and stronger.

Astro Loop
Open-source roguelike shooter for Android. Simple controls, no ads, no tracking, no internet permission. Free forever under GPLv3.
Mechaenetia
Mechaenetia, a sandbox game in early development that plans to mix technology, industry and exploration.

Masendor
Open source educational and historical battle action game

Farmhand
A resource management game that puts a farm in your hand

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

1255 Burgomaster
:european_castle: Little town (travian) game w/ RPG mechanics. Playable. WIP

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

Spacescape
A 2D top-down space shooter made using Flutter and Flame engine.
GDTLancer legacy
A performance-friendly 3D space game inspired by Freelancer, Orbiter and EVE (and many other games). Made with Godot engine.

Kaya
Play, study, and analyze Go — free & open-source app with AI analysis and board recognition from photos
Raindrop
A multi-mode vertical-scrolling rhythm game supporting speed changes, hidden notes and several scoring and timing systems.
fluXis
A community-driven rhythm game with a focus on creativity and expression.

Thehumanbox
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.

FeudalTactics
Strategy game with countless unique and challenging levels.
Chogan
Fifty short, finishable games in one free, offline, open-source app: board, card, puzzle and arcade. No ads, no trackers.

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

Hypnagonia
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.
ArrowEscape
Unwind and challenge your brain with Arrow Escape, a clean, minimalist puzzle game built purely for the love of play.
▶ Play hereOperation Ironhold
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.

Liikennematto
:blue_car: Small scale traffic simulation with a playful approach
pGLOWrpg
A procedurally generated open-world RPG that creates a whole world of terrain, rivers and ecosystems for you to explore (early development).

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

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

Animal Chess
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.

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