
Mindustry
Build supply chains, defend your core and out-engineer waves of enemies in this factory-meets-RTS hit.
Every game in the Lumina library. Filter by where you want to play, language and what you are in the mood for.
75 games

Build supply chains, defend your core and out-engineer waves of enemies in this factory-meets-RTS hit.
Click to the beat in the world's most popular community rhythm game. Code is MIT; the brand and assets have their own terms.

Lichess, the free, ad-free chess server. Every line of code is public.

Modern engine for Command & Conquer, Red Alert and Dune 2000, with mods and online play.
An open re-implementation of RollerCoaster Tycoon 2 with multiplayer and modern features. Needs original game data.
An open engine that re-creates the Age of Empires II experience. Needs original game data.

The open voxel platform formerly known as Minetest, with a huge Lua modding scene.

A deep turn-based survival sandbox in a post-apocalyptic world. Easy to start, hard to master.

The original source of the 2048 sliding-tile puzzle. Perfect for learning web development.

An open remake of Civilization V for Android and desktop. Light, fast and fully playable offline.

A tiny Minecraft-style world written in C with modern OpenGL.

A Go re-implementation of Diablo II. Development stopped in 2021.
Diablo (1996) ported to modern platforms, including mobile and handhelds.
A decompilation of Super Mario 64. Requires your own ROM. The repository is no longer maintained.

Learn real Python and JavaScript by writing code that controls your hero through dungeon levels.

Build rail, road, sea and air networks in this open take on Transport Tycoon Deluxe. Multiplayer included.
The GPL source release of Quake III Arena.

Trade, explore and fight across a 2D galaxy at your own pace.

A multiplayer open-world RPG built in Rust with voxel graphics.

Build ever-larger shape factories. A Factorio-inspired hit with a web demo.

High-fantasy turn-based strategy with dozens of campaigns, maps and mods.
A friendly pixel roguelike that plays beautifully on a phone. Evolved from Pixel Dungeon.

An open engine that runs Morrowind. Needs original game data.

Build infrastructure, survive the traffic and learn cloud architecture by playing.
The GPL source release of Quake.

Open 3D kart racing with power-ups, online play and a big track library.
A falling-sand physics sandbox with hundreds of elements. Burn, freeze, explode and invent.
A disassembly of Pokémon Red/Blue and a great study of Game Boy programming.

Create your own games, stories and animations by snapping code blocks together. The editor behind Scratch 3.0.
An open clone of Theme Hospital. Needs original game data.

Large-scale RTS on the Recoil engine, inspired by Total Annihilation.

A classic 3D RTS kept alive by its community after going open source.

The official repository of NetHack, the legendary dungeon crawler.
An open voxel world with a modular architecture that is easy to extend.
A chaotic multiplayer remake of Space Station 13 on its own engine.
A Zig voxel sandbox with huge render distance and procedural content.

A recreation of the Heroes of Might and Magic II engine. Needs original game data.

A creative falling-sand sandbox with sand, water, fire and plants, right in your browser.

A classic 2D jump-and-run starring Tux the penguin.
A feature-rich source port for Doom-engine games with OpenGL and Vulkan rendering.

Real-time multiplayer conquest that runs right in your browser.
A sandbox MMORPG built for the web with Next.js and TypeScript.
A minimalist, historically accurate Doom source port.

A fast hexagonal take on falling-block puzzles. Plays in any browser.
Community-maintained code for Jedi Academy and Jedi Outcast.
An open re-implementation of the original X-COM. Needs original game data.

Freeciv in HTML5 and WebGL, playable online in a browser.

A modern source port of Doom 3.
A from-scratch Minecraft Classic client in C that runs even on low-end devices.

A turn-based strategy game you can play in the browser. Master your beasts.
A cyberpunk hacking incremental game you play by writing real JavaScript scripts.

Build an empire across history in this free Civilization-inspired classic.

A board-game engine in the spirit of Axis & Allies and Risk.

A free single-player dungeon-delving roguelike.
The community edition of the minimalist roguelike Brogue.
A free set of educational games that teach programming with visual blocks. No typing and no account required.
An incremental game about evolving a civilization from a primordial pond to the stars.
A visual novel where you learn to code and land a developer job, one story beat at a time.

A free hybrid of first-person shooter and real-time strategy on the Daemon engine.

A JavaScript re-creation of the cult volleyball game, with peer-to-peer online play.

A free RTS on the Spring/Recoil engine.

A browser port of Micropolis, the open-sourced SimCity classic. Zone, build and manage your own city.
An action-adventure platformer starring a quixotic frog. Colorful, charming and generous.
Young children program their own interactive stories and games with picture blocks. For ages 5 to 7.

A simple, polished memory card game for kids on Android, running since 2014.
Command a team of hedgehogs in a turn-based, cartoon artillery battle. Great for couch play and online matches.

A free, open-source geography guessing game: see a street-level view and pin where in the world you are.

An armored combat simulator built with Three.js that runs in the browser.

Tilt the floor to roll a ball through obstacle courses before time runs out.
Over 100 activities for young children covering letters, numbers, music, science and more. Mirror of the KDE project.
A free Lemmings-style puzzle game where you guide penguins to safety by giving them skills.

A free cartoon browser game about how the internet really works.

An open-source roguelike shooter for Android with simple controls, no ads and no tracking.
A free drawing program for children with stamps, magic effects and friendly sounds. The GitHub project is the Android port; the main program lives at tuxpaint.org.

A free browser life simulation. You are born at random into one of 172 countries and live one life shaped by real public statistics.