Open Source Games

Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations.

An emulator for Gameboy and GameboyAdvance systems.

2025 UPDATE: we have finally moved to Git! https://forge.a-lec.org/speed-dreams/speed-dreams-code/ This SourceForge project will be kept as a read-only archive and will be eventually removed! Speed Dreams is a Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine, all targeting maximum realism. Initially forked from TORCS, it has now reached a clearly higher realism level in visual and physics simulation, thanks to its active development team and growing community. It mainly aims to implement exciting new features, cars, tracks and AI opponents to make a more enjoyable game for the player, while constantly pushing forward visual and physics realism. It is also intended for any research, study or teaching activity, around physics and AI, thanks to its GPL V2+ license, and the clear and modular architecture of its C/C++ code base.

ScummVM is a cross-platform interpreter for many point-and-click adventure games. This includes LucasArts SCUMM games (such as Monkey Island 1-3, Day of the Tentacle, Sam & Max, ...), many of Sierra's AGI and SCI games (such as King's Quest 1-6, Space Quest 1-5, ...), Discworld 1 and 2, Simon the Sorcerer 1 and 2, Beneath A Steel Sky, Lure of the Temptress, Broken Sword 1 and 2, Flight of the Amazon Queen, Gobliiins 1-3, The Legend of Kyrandia 1-3, many of Humongous Entertainment's children's SCUMM games (including Freddi Fish and Putt Putt games) and many more. The project mailing lists have been moved to http://lists.scummvm.org The project tracker has been moved to https://bugs.scummvm.org

CaesarIA is an open source remake of Caesar III game released by Impressions Games in 1998, it aims to expand the possibilities of the classical city-building simulators and to add new features showing the city life. Now the game work with Windows, Linux, Mac, Haiku and Android. The original Caesar3 game is needed to play openCaesar3. We start crowdfunding campaign for renew graphic set at www.igg.me/at/caesaria-game. Help us set new stage in good old Caesar.

Alex the Allegator is a series of games featuring everything from puzzle games to racing and platform jump n runs. The Alex games are provided with full source and are buildable on every platform that Allegro supports.

A scrolling, platform-jumping, key-collecting, ancient pyramid exploring game, vaguely in the style of similar games for the Commodore+4. The game is intended to show young people (I'm writing it for my son's birthday) all the cool games they missed.

Pachi el marciano is a cool 2D platforms game inspired in games like Manic Miner, Jet set Willy and more from the 80s.

The well-known KQ console-style RPG.

A scripting language designed to create console-like 2D games.

GAV (Gpl Arcade Volleyball) is an object-oriented multiplatform Arcade Volleyball clone. It supports multiplayer and theme customization.

Kraptor is a classic shoot 'em up scroller game, where you must fight against tons of bad dudes. This is a full game with massive destruction, powerful weapons, and high speed action in varied levels. Works for Linux, DOS, Windows, QNX, Mac Os, etc..

Reimplementation of the 1988 game with the same name, (it's also known as Nebulus). In the game you have to climb a tower with strange inhabitants that try to push you down. Your only defense is a ball you can throw and your skills in avoiding them.

CrossBrowdy is a free and open-source JavaScript framework that allows to create multimedia apps, emulators, game engines and games that will be compatible with any device. Any software developed with CrossBrowdy should be able to be used in any JavaScript compatible web client (including browser plug-in, add-on, extension, app...) which supports "document.getElementById". This framework allows any developer to manage easier many different things, such as audio (with Flash fallback, audio pool, etc.), canvas (with DHTML, VML, Flash or Silverlight fallbacks), screen, mouse, keyboard, gamepads, sockets (including PHP proxy fallback), XHR / AJAX (with PHP proxy for cross-domain requests), device sensors (compass / magnetometer, gyroscope, accelerometer, light sensor, proximity sensor...) and many more.

Become the leader of the Gerbils, Mice, or other creatures in a race to hoard nuts, build towns, and have fun! Watch out for Foxes, Hawks, and other nasty creatures. Get help from rolling Armadillos, stinking Skunks and many other creatures.

AfA-Scumm is the 2D adventure engine powering AmberfishArts, a community for enthusiasts of classic adventure games as well as a hub for high-quality fan projects. Coded in C++, AfA-Scumm is both very portable and feature rich.

The clone/remake of the classic online Codehammer game. Battlecity is an open source, SDL, multiplayer, multiplatform, action/strategy game where you control a tank and build your city, so you can destroy others.

This will be a clone of Master of Orion 2 (MOO 2), It will have many similarities and differences. Hopefully many of the problems and tedious things will be taken care of. It will not be a complete clone (some new stuff, some removed stuff)

To build an OpenGL game using programmable robots.

FreeKyra is a Free implementation of the engine used to play Westwood's "Legend of Kyrandia" adventure game. This project will start as an image viewer, then will hopefully evolve into a game interpreter (like ScummVM).

Front Tactics On Line is a tactics planner for on-line multiplayer games, allowing customization for a very extense list of games.

Explore a strange new world in this exciting Anime-style RTS. With sentient beings that grow on plants, gaseous creatures, underground mining, and domestication of creatures, this new RTS will allow exciting Gameplay Options such as Flag King.

<b>JAVA LOGGING API that targets:<br> - Simplicity (1 line to init & log, no external objects)<br> - Maintability (auto monthly & yearly archives)<br> - Performance (bckg min priority thread pool)<br> - Extensibility (simple design)<br> Try it!</b>

Pure Java tile based map editor. A Cross platform, multi-language tool to create a map file for 2D/3D applications.<p>Un basado en azulejos redactor de mapa en Java. En plataformas múltiples, y idiomas múltiple crea mapas para aplicaciones de 2D/3D.

Creators of free games similar to those you played back in the 8- and 16-bit eras.