 CSPoker - http://code.google.com/p/cspoker/ CSPoker is a lightweight poker client/server. Client implementations in Java and Flash. XML-based API. (Java) [GPLv2] |
 irrlamb - http://code.google.com/p/irrlamb/ irrlamb is a 3D game that probably involves a lot of physics and frustrating gameplay. (C++) [Linux, Windows] [GPL2] |
 Small Apps and Games - http://www.freewebs.com/elfofthefire/index.htm Small apps and games developments. |
 Adonthell - http://adonthell.linuxgames.com A fantasy RPG game available for Linux, FreeBSD and BeOS. MacOS and Windows support will come soon. |
 Free Gamer - http://freegamer.blogspot.com/ Open source games weblog and list. |
 SecurePlay Open Source Development SDKs - http://www.secureplay.com/products/products.htm Build games on Secureplay sourcecode libraries in Flash/Java C++. Create secure game transactions for multiplayer games (player management, state/event control, random events, secret events) Platform independent Encrypted pluggable communications. |
 Hawk Software - http://www.hawksoft.com/ Developer of the open source HAWK game engine, and the OpenNL portable networking library for Windows. |
 Playing the Open Source Game - http://www.talula.demon.co.uk Shawn Hargreaves has several Open Source projects and interesting articles about the future of Open Source games. |
 Open Game Source - http://www.identicalsoftware.com/ogs/ A web magazine devoted to open source game development. |
 The Genius - http://thegenius.sourceforge.net Chess engine including artificial intelligence, user interface and several features. |
 MUSoSu - http://musosu.sourceforge.net/ A free software project for playing, solving, and generating Sudoku games. (Java) [OS Independent] |
 Final Frontier Trader - http://fftrader.sourceforge.net 2D single player space strategy, combat, and trading game. (C++) [OS Independent] |
 OpenLieroX - http://openlierox.sourceforge.net OpenLieroX is the open source clone of the famous Liero (the realtime Worms) game. |
 Holtz - Zertz and Dvonn board games - http://holtz.sourceforge.net Holtz is a GPL implementation of the abstract strategy board games Zèrtz and Dvonn from the GIPF project. (C++) [Linux, Windows] [GPLv2] |
 Hot Potato Online - http://hponline.sourceforge.net This game is a fast paced arena sport where players try to explode the opposition using a short-fused potato bomb. |
 FreeDroid - http://freedroid.sourceforge.net/ Clone of the classic game "Paradroid". (C, Python) [MacOS, Windows 95/98/2000, Linux] |
 Fate - http://fate.sourceforge.net/ A massive multiplayer space trading and combat game for Linux. [GPL] |
 jQuizShow - http://quizshow.sourceforge.net Free quiz game based on the "Who Wants to Be a Millionaire" game show. Add your own questions for classroom use or for fun. [Java, OS Independent, GPL] |
 Snip - http://snip.sourceforge.net Open-source Tetris implementation. |
 Danger from the Deep - http://dangerdeep.sourceforge.net Danger from the deep (aka dangerdeep) is a Free / Open Source World War II German submarine simulation. [Linux / Windows] (C++) |
 Sekoya - open source mmorpg - http://sekoya-games.sourceforge.net/ Sekoya is a gathering of students trying to develop nice open source games. Our main project is a MMORPG running under Linux and Windows. |
 Groundfire - http://www.groundfire.net/ A 2D real-time multiplayer tank battling game. (C++) [Windows 9X/2000/XP, Linux] |
 Linux Game Development Center - http://lgdc.sunsite.dk The LGDC provides concise and accurate articles about Linux gaming news, development tutorials, and reviews of the latest tools and resources. |
 Flight Gear Flight Simulator - http://www.flightgear.org/ The FlightGear flight simulator project is an open-source, multi-platform, cooperative flight simulator development project. Source code for the entire project is available. (OpenGL)[OS Independent] |
 Right Wing Smackdown Game - http://www.lancemiller.org/rightwing_smackdown/ Right Wing Smackdown Game. The game for the whole violent leftist family. For any unix command line, including OS X. |
 GtkPool - http://gtkpool.seul.org/ 8-ball pool for Linux with customizable physics. |
 Enigma - http://www.nongnu.org/enigma/ A puzzle game based on oxyd. Runs on Windows, OS X, and most open source operating systems. (C++) [GPL] |
 K2W RPG - http://www.k2wrpg.org/ A collection of open source client, server, and editor to build online role playing games. |
 Planet Umi - http://planetumi.com Grow a planet of silly Umis. (python/pygame) (GPL3) [OS X, Windows] |
 Deliantra - A free (as in freedom) MORPG - http://www.deliantra.net/ Deliantra is a free software, multiplayer RPG and adventure game, much similar in style to nethack and moria. It is fully graphical and runs in realtime and set in a medieval environment. (GPL) [Linux, Windows] |
 Extreme Tux Racer - http://www.extremetuxracer.com An OpenGL racing game featuring Tux, the Linux mascot. The goal of the game is to slide down a snow- and ice-covered mountain as quickly as possible.(C++,TCL) [Linux,MacOS X] |
 Libregamewiki - http://libregamewiki.org/ The encyclopedia of free (as in freedom) games with free content. |
 Spice Trade - http://www.spicetrade.org/ Colonize Europe in this Java based, open source game. Live an adventure in the 12th century world. |
 Daimonin - http://www.daimonin.com/ Free isometric real-time MMORPG. 2d/3d graphics, 3d sound effects, digital ambient music. |