List of free game software

All these titles are free software that are under a Free Software license such as the GNU General Public License or other similar licenses. Because the source code is available and modifications can be freely (re)distributed, most of these titles will run on many platforms.

Arianne is an open source MMORPG in development.
Armagetron is a multiplayer, 3D Tron lightcycle racing game.
Avanor is an open source roguelike game.
Beneath a Steel Sky by Revolution Software which can be downloaded at http://www.scummvm.org/downloads.php.
- A platform game where Bob the Blob must rescue the Blob MIAs. Many stages, intricate gameplay. Not yet complete, but very playable. http://www.parallelrealities.co.uk/blobWars.php
Boson is an OpenGL real-time strategy game, with the feeling of Command and Conquer or StarCraft. It is designed to run on Unix (Linux) computers, and is built on top of the KDE, Qt and kdegames libraries.
ClanBomber is a free DynaBlaster clone at http://clanbomber.sourceforge.net/
Crossfire is an open source MMORPG
Cube is an open source first person shooter at http://wouter.fov120.com/cube/
Cuyo is a free Puyo Puyo clone at http://www.karimmi.de/cuyo/ (german)
Daimonin is an Isometric MMORPG based on Crossfire in its first Beta
Devet is a multiplatform strategy/puzzle game at http://devet.tuzsuzov.com/
Enigma, an Oxyd clone with an unusual premise.
Freeciv is a clone of the game Civilization
Frozen Bubble, can be downloaded at http://www.frozen-bubble.org
Several games are included in KDE, for instance
- KAsteroids,
- KAtomic,
- KBounce
- KSokoban,
Liquid War is a multiplayer wargame available at http://www.ufoot.org/liquidwar/.
NetHack is a popular free RPG available at http://www.nethack.org.
Pingus, a Lemmings clone with animated penguins
- A two-dimensional, non-linear space shooter with an intricate plot. http://www.parallelrealities.co.uk/starfighter.php
Raptor is a space shoot-em-up game at http://raptorv2.sf.net
Tux Racer, a 3D OpenGL racing game starring a penguin