Open Source Server Operating Systems Games

AA means Ascii Art - the AAlib (ascii art GFX library), BB (audiovisual demonstration for your terminal), aview (image browser/animation player), AAvga (SVGAlib wrapper for AA-lib), ttyquake (text mode quake), aa3d (random dot stereogram generator)...

3D game engine and multiplayer/singleplayer FPS game

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

Detailierte Informationen in Deutsch finden sie auf unserer Homepage. FreeDoko implements a version of the german card game Doppelkopf. The game Doppelkopf is a card game for four or more Players. For more informations visit our Homepage

Open Source implementation of the wonderful puzzle game Fish Fillets from ALTAR interactive.

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

Pauker is a generic flashcard program written in Java. It uses an innovative combination of ultra-shortterm, shortterm and longterm memory. You can use it to learn all the things you never want to forget, like vocabularies, capitals, important dates,

OpenTTD is an open source clone of the Microprose game "Transport Tycoon Deluxe". For more recent versions visit our website: http://www.openttd.org

TinyFugue, aka "tf", is a flexible, screen-oriented MUD client, for use with any type of text MUD.

QuakeForge is a set of 3D graphics game engines based on id Software's legendary Quake series of game engines. Our purpose? To improve the state of the game by improving the engines and making them accessible to as many people as we can.

Open Mortal is a parody of the once popular coin-up fighting game, Mortal Kombat, for Windows and Linux. It is currently playable, has 18 playable characters. There is network game, team mode, etc. You can even add your own character.

Game software for emulating an EverQuest server

CRM für Kleinbüro und Heimbüro mit Schwerpunkt auf Verwaltung von Personenprofilen. Geeignet sowohl private Arbeitsvermittler und Arbeitslosen-Initativen, als auch für Fundraising, Wohnungsmarkt, HelpDesk/Hotline und mehr... Wichtige Mitteilung: An diesem Projekt arbeiten wir seit 2010 nicht mehr. Support-Anfragen werden nicht mehr beantwortet.

A UNIX/Windows/Linux remake of the DOS-game "stunts", providing modern features like openGL graphics, 3D sound and internet multiplaying. Design your own tracks, choose your opponents and try the most spectacular stunts you've ever seen.

Stars! Nova is a clone of the classic 4X space strategy game Stars!. While nowhere near the functionality of Stars! quite a few features have been implemented so far. See the Nova web page for details.

Organization for Free Software in Education and Teaching. Our goal is to develop free software for education with knowledge sharing as our main concern. We already have developed software as DrGeo, GCompris, DrGenius and the live CD freeduc.

A console/text based chess program with XBoard/CECP and UCI API, available on all major platforms. You may need a graphical chess interface to use it. Please refer to README.md in the files section for installation instructions. The last stable release is 2.2.0 and has been released on 13/04/2026. Belofte 0.2.0 till 0.9.20 (c/c++): Xboard 1 & 2 (CECP) - Linux/Unix/(Windows) Belofte 2.1.1 and up (c++11) : UCI and Xboard 2 - Linux/Windows/Mac/Android/... For access to code, please clone the git repository. Compiles and Runs on 32/64 bit on Windows, Mac, Linux, Android (ARM/x86) and Raspberry. Released under GNU v2 license. (means free to copy, free to modify, free to use, ...) Works fine with Arena/Cutechess/BanksiaGui/Winboard/Xboard/...

Sarien is a portable implementation of the Sierra On-Line Adventure Game Interpreter (AGI), and is able to run games such as Leisure Suit Larry in the Land of the Lounge Lizards and Space Quest I and II.

porting Quake,Quake II and Hexen II to Dreamcast console

TempleOS is a 64-bit kernel with compiler, graphics library and tools. It is not a Unix. It was made from scratch.

Miniature platform based on the Arduino platform with the KS0108 screen, and peripherals.

Super Methane Brothers is a game in which you use a gas gun to capture baddies and throw them at walls to turn them into toys.

A multiplayer RPG that connects as a psuedo server to an IRCD. Built in the tradition of old BBS Door games such as LORD (http://en.wikipedia.org/wiki/Legend_of_the_Red_Dragon). Forest fights add experience and gold needed to best your master (gain level

[ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat.

OpenPref is open source implementation of European trick-taking game Preferans (http://en.wikipedia.org/wiki/Preferans ) against two virtual players.