D2X is a Unix port of game Descent made by Parallax software.
You need to own orignal game or download shareware datafiles.
Hacx is a full Total Conversion using the Doom II engine and created by Banjo
Software.
You need the Doom II WAD file to play it.
Freedoom is a project to create a complete Doom II-compatible IWAD file which
is Free Software.
The IWAD file is the file used by Doom which contains all the game data
(graphics, sound effects, music, etc.). While the Doom source code is Free,
you currently still need one of the proprietary IWAD files from id in order to
play Doom. Freedoom aims to create a Free alternative. Combined with the
GPL-licensed Doom source code this will result in a complete Free Doom-based
game.
The Egoboo Development team aims to create a fully free, 3D, Rogue
and Zelda-like in the spirit of Nethack. We continue to add new
features into the game, such as new levels, classes, items, monsters,
etc. The game is now in a stable and very playable state, but still
there are a lot of things to do before it reaches out of it's beta
stages.
The aim of the game is to build up your character in the World of
Bishopia and to find the five Sporks of Power. You have to vanquish
devious monsters, deadly traps, solve mindboggeling puzzles and
continuously build up a stronger and stronger character.
ManaPlus is a 2D MMORPG client for games running on tmwAthena, evol or
eathena servers. It fully supports Evol Online, The Mana World and Land Of
Fire.
The `exhaust' project is a redcode simulator that is (hopefully)
easy to embed into your applications, as an alternative to pMARS.
This port installs a selection of additional aircraft which are available on
the FlightGear web site but not included in the games/flightgear-data port.
Wolfenstein: Enemy Territory is a full free multiplayer first person shooter
game. The game was originally going to be a retail expansion pack for Return
To Castle Wolfenstein but the project was cancelled and the good folks at
Activision decided to give it to us for free!
It's a team game; you will win or fall along with your comrades. The only way
to complete the objectives that lead to victory is by cooperation, with each
player covering their teammates and using their class special abilities in
concert with the others.
The game is unique in that it has moving objectives that makes the gameplay a
lot of fun!
Foobillard is a free OpenGL-billard game for Unix with realistic physics,
AI-player and many gametypes like pool carambol or snooker.
Frets on Fire is a game of musical skill and fast fingers. The aim of the game
is to play guitar with the keyboard as accurately as possible.