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A fantasy RPG game available for Linux, FreeBSD and BeOS. MacOS and Windows support will come soon.
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CSPoker is a lightweight poker client/server. Client implementations in Java and Flash. XML-based API. (Java) [GPLv2]
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Free isometric real-time MMORPG. 2d/3d graphics, 3d sound effects, digital ambient music.
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Danger from the deep (aka dangerdeep) is a Free / Open Source World War II german submarine simulation. [Linux / Windows] (C++)
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A puzzle game based on oxyd. Runs on Windows, OS X, and most open source operating systems. (C++) [GPL]
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Massively multiplayer space trading and combat game. [Open Source]
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2D single player space strategy, combat, and trading game. (C++) [OS Independent]
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Open source flight simulator under GPL licence for Windows, Linux, Mac OS-X, FreeBSD, SUN/Solaris, and SGI/IRIX platforms.
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Focused on free and open source games. News, commentary, and reviews.
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Clone of the classic game "Paradroid". (C, Python) [MacOS, Windows 95/98/2000, Linux]
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A 2D real-time multiplayer tank battling game. (C++) [Windows 9X/2000/XP, Linux]
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8-ball pool for Linux with customizable physics.
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Developer of the open source HAWK game engine, and the OpenNL portable networking library for Windows.
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Holtz is a GPL implementation of the abstract strategy board games Zèrtz and Dvonn from the GIPF project. (C++) [Linux, Windows] [GPLv2]
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This game is a fast paced arena sport where players try to explode the opposition using a short-fused potato bomb.
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A collection of open source client, server, and editor you can use to build and run your own online RPG.
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The encyclopedia of free (as in freedom) games with free content.
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Resources for game development on Linux, FreeBSD, and other open platforms.
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A web magazine devoted to open source game development.
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OpenLieroX is the open source clone of the famous Liero (the realtime Worms) game.
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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]
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Shawn Hargreaves has several Open Source projects and interesting articles about the future of Open Source games.
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Right Wing Smackdown Game. The game for the whole violent leftist family. For any unix command line, including OS X.
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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.
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Sekoya is a gathering of students trying to develop nice open source games. Our main project is a MMORPG running under Linux and Windows.
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Small apps and games developments.
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Open-source Tetris implementation.
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Colonize Europe in this Java based, open source game. Live an adventure in the 12th century world.
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Chess engine including artificial intelligence, user interface and several features.
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irrlamb is a 3D game that probably involves a lot of physics and frustrating gameplay. (C++) [Linux, Windows] [GPL2]
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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]
