Open Source Games

The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers.

Game Editor is the game design software that gives you the power to create the games of your dreams, and gives you the chance to get the source code of the game creator and develop 2D games for personal computers as well as mobile devices like iPhone

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

NetHack is a popular single player dungeon exploration game that runs on a wide variety of computer systems.

Free implementation of Heroes of the Might and Magic II engine. SDL is used.

XiangQi Wizard (Chinese Chess Wizard) is a powerful XiangQi (chinese chess) program, which supports UCCI engines. XQWizard Light is the Mobile version for Windows CE and Java ME. ElephantEye is the UCCI engine in XQWizard with strong AI.

Implements the rules of Scrabble(tm) for Android devices (and historically, for PalmOS, PocketPC and others) (For development purposes there's also a Linux client using ncurses or GTK.) Easy to port to other platforms, supports multiple languages and multi-device play via the internet, SMS, Bluetooth, and NFC. Not vaporware: one of TIME.com's top 5 PalmOS apps

ReMooD is a source port of Doom Legacy 1.42. It aims to provide the classic Legacy Experience with new features and more stability. This supports Linux; Windows 32-bit and 64-bit; and ReactOS.

The (well) known puzzle CalcuDoku, K-Doku, kenken

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.

Sudoku Mania! A fully customizable sudoku game written in java. Create your own themes using Xml. 6 squares, 8 , 9, 16? No problem. Show numbers, letters, or even pictures. Print Sudokus to go and much more. Available for Cell Phones and PDA's too.

Doom, Ultra-Light and Experimental.

Falconer-Try Studios is developing this new gaming engine for 2D, 3D and soon VR environments. It will be best for RTS and FPS games. See the documentation for more data.

FreeTower is a building construction and management simulator. It is designed to be portable and run on several desktop and PDA operating systems, and of course, be fun to play =)

Java Tiny Gfx Library (JTGL) is a graphic fundation framework (a graphics/gaming api) that will allow easy deployment/porting of applications/games on many environments: J2SE,J2ME/MIDP(Nokia,Siemens,BlackBerry),SuperWaba(Palm,PPC,Symbian),ExEn,DoJa,etc..

Labyrinth is a complicated game for two or more players. They walk in dark Labyrinth, searching for treasures, by passing moves to server and getting replies.

Lampião Digital é um jogo educativo que deseja ressaltar a cultura nordestina, integrar conhecimentos interdiciplinares. Desenvolvido de forma colaborativa por alunos de Sistemas de Informação da Universidade Federal Rural de Pernambuco.

Since you have no rendering control in Java MIDP this library provides components on which you can control the look&feel. Full MIDP compatible (Works on all MIDP JVM). Small: Adds only 50-60k to a midlet. Fast to learn and to use (full javadoc).

Mobup is a J2ME application created by Consultechnology that manages photo uploads on Flickr from a mobile device. It has the possibility to shoot your photo and add title, tags and description; you can add it to sets/groups and post it to your blog.

OpenNono is a free implementation of the 'Nonogram' game, a picture logic puzzle.

Minimalist, portable, mobile biased, game engine.

An open-source SRPG for Pocket PC.

A platform independent engine remake of the Eye of the Beholder 2 dungeon engine. Playable with original game files.

Centralized Management: Discover, install, launch, and manage all your Tiwut apps through one modern, unified interface. Open Source & Transparent: The complete source code is available on GitHub, reflecting our commitment to transparency.

WAR 3D is a strategy game, miltiplataform, already for Windows/Linux, similar to Age of Empires or Star Craft. War 3D is written in C++, usin the libraries of OpenGL and Glut.