Free / open source games: D - F

There are more and more free / open source games: this list, far from being exhaustive but continuously growing, gives priority to projects that keep on being developed and is meant to help whoever is looking for some fun.

All these open source games are free but remember that the term free is meant as in "free speech", not as in "free beer" so if you like one of these games please try to contribute to its development: some teams need varioul kinds of help (programmers, graphics experts...), some accepts donations to finance the development of a game, some need help to test new versions which means that you can have fun and at the same time help the development of a project.

This is the second part of the list and included the games from D to F: from the side menu you can access to all the other parts of the list.

DarkPhear is a full console-style classic turn based RPG.

Operating systems: Windows, Linux

Latest version: 1.1.8 (19/01/2011)

Dawn is a 2D RPG set in a fantasy world. Able to choose a race, class and alignment to create a unique player experience. Gain experience through quests or slaying monsters, in order to level up and gain new skills, spells and more.

Sistemi operativi: Windows, Linux

Ultima versione: 0.0.34 (November 13 2010)

DccNiTghtmare (aka DNT) is a project to make a 3D single player RPG in a satirical post-apocalyptical world.

Operating systems: Windows, Linux

Latest version: 0.9 (May 26 2012)

Hardware/software requirements: graphics card with 3D acceleration

Defendguin is a clone of the old arcade Defender remade with a Linux theme. The goal of the game is to save helpless penguins from terrible enemies who look like Bill Gates in Borg version who want to capture them to make them mutants which will attack the player.

A review of the game is available.

Operating systems: Windows, Linux, Mac OS X, Risc OS, QNX

Latest version: 0.0.12 (November 5 2009)

Ditchers is an action game based on principles of the legendary game Tunneler. Underground tanks dig tunnels in the soil and their goal is to find and destroy the opponent using a variety of weapons. Many players can participate in a game at once. At one computer, two people can play in splitscreen and with any number of artificial players. Network game is also available.

Operating systems: Unix

Latest version:  1.2.1 (August 27 2010)

Domination is a game that is a bit like the well known board game of Risk. It has many features, including network play, many maps, a map editor, and many more features.

Operating systems: all the ones with Java support

Latest version: 1.1.1.5 (August 22 2013)

Hardware/software requirements: Java

DSI is a game in the old arcade style based on the Aliens game code where the palyer must stop alien invaders from landing on us.

Operating systems: Windows, Linux, Mac OS X

Latest version: 1.0.3.2 (April 18 2010)

Hardware/software requirements: graphics card with 3D acceleration

Dungeon Crawl Stone Soup is an open-source, single-player, role-playing roguelike game of exploration and treasure-hunting in dungeons filled with dangerous and unfriendly monsters in a quest to rescue the mystifyingly fabulous Orb of Zot. Dungeon Crawl Stone Soup is available in two versions: a non-graphical console port (as is traditional for roguelikes), as well as a graphical Tiles version.

Operating systems: Windows, Linux, Mac OS X

Latest version: 0.7 (July 24 2010)

Duo is a free implementation of the Crazy Eights / Uno card games family that allows you to play against 1, 2 or 3 players controlled by the computer.

Operating systems: Windows, Linux

Latest version: 0.10 (October 14 2009)

DXX-Rebirth is a double project to develop a free and enhanced version of Descent and Descent ][.

Operating systems: Windows, Linux, Mac OS X

Latest version: 0.57.1 (July 19 2011)

Hardware/software requirements: graphics card with 3D acceleration

Eat The Whistle is a game born as a commercial product for Amiga and released under the GPL2 licence in 2002. In time the game was furtherly developed and made available for more operating systems.

Operating systems: Windows, Linux, Mac OS X

Latest version:  3.6 (August 25 2008)

Egoboo is a 3D RPG partially inspired to Nethack.

Operating systems: Windows, Linux, Mac OS X

Latest version: 2.7.4 (July 19 2009)

Hardware/software requirements: 256 MB RAM, graphics card with 3D acceleration

Eliot is an open source versione of board game Scrabble. Eliot offers three different game modes:

• the free game mode is the standard one, ideal for having fun with your friends or family. The players play in turn on the board, each with his own rack;
• in the duplicate mode, all the players are faced with the same board and letters at the same time. It is mainly used in clubs and competitions since it takes away the chance (and tactics) component(s) of the game;
• the training mode allows to play alone and make progress for the duplicate. It gives more freedom than the multiplayer modes.

Operating systems: Windows, Linux, Mac OS X

Latest version: 2.0 (October 14 2012)

Endgame: Singularity is a simulation of a true AI. Go from computer to computer, pursued by the entire world. Keep hidden, and you might have a chance.

Operating systems: Windows, Linux, Mac OS

Latest version: 0.30b (July 28 2010)

Hardware/software requirements: python, pygame, numpy

Enelin (enemy lines) 7 is a FPS where the player must shoot down bombers threatening his city.

Operating systems: Windows, Linux

Latest version: 0.8 (May 7 2009)

Hardware/software requirements: graphics card with 3D acceleration

Enigma is a puzzle game inspired by Oxyd on the Atari ST and Rock'n'Roll on the Amiga. The object of the game is to find uncover pairs of identically colored Oxyd stones. Simple? Yes. Easy? Certainly not! Hidden traps, vast mazes, laser beams, and, most of all, countless hairy puzzles usually block your direct way to the Oxyd stones.

Operating systems: Windows, Linux, FreeBSD, Mac OS X

Latest version: 1.20 (April 2 2013)

Epiar (ep-ee-are) is an open source computer game, in which the player navigates space from planet to planet, saving money to buy ship upgrades and new ships. The player can also join mercenary missions, attack other ships to steal their money and technology, and explore the universe. The game combines the action/arcade elements of aircraft dogfighting with the strategy of war games and the openness of role playing games to create this entertaining experience.

Operating systems: Windows, Linux, FreeBSD, Mac OS X

Latest version: 0.5.0 (January 5 2012)

Erebus is a classic point-n-click style RPG (Role-Playing Game).

Operating systems: Windows, Linux, Symbian, Android

Latest version: 0.14 (June 17 2014)

Extreme Tux Racer is a game derived from Tux Racer where Tux races downhill.

Operating systems: Windows, Linux, Mac OS X

Latest version:  0.4 (March 21 2008)

Falling Block Game is a Tetris-like game where you move and rotate pieces in order to fill in complete rows. The more rows you clear at once, the more points you score!

Operating systems: Windows, Linux

Latest version: 0.4 (September 14 2011)

Fish Fillets - Next Generation is a game derived from the old game Fish Fillet's code released as open source: the goal is still to find a safe way out of every level.

Operating systems: Windows , Mac OS X, Linux, FreeBSD, NetBSD, Amiga OS4, BeOS

Latest version: 0.9.3 (January 25 2010)

F.L.A.W. (Fantastic League of Almighty Wizards) can be played by up to 5 players simultaneously. The goal of the game is to survive as long as possible while more and more fireballs appear in the arena. Gameplay is simple and self-explanatory. It basically consists of evading the fireballs and knocking your opponents down. In addition there are collectable magic gems that provide special abilities.

Operating systems: Windows, Linux

Latest version: 1.3.2 (December 4 2011)

FlightGear is a project to create a framework for a flight simulator that goes beyond a simple game.

Operating systems: Windows, Mac OS X, Linux, Solaris, sgi, FreeBSD

Latest version: 2020.3 (November 6 2020)

Hardware/software requirements: OpenGL hardware acceleration

FooBillard is a 3D pool game that supports different variants of the game.

Operating systems: Windows (ver. 2.9), Linux

Latest version: 3.0a

Hardware/software requirements: OpenGL hardware acceleration

Force: Leashed is a free first person gravity fiddler. To advance, you need to guide rockets to their targets using spherical potential fields.

Operating systems: Windows, Mac OS X, Linux

Latest version: 0.95 (August 14 2012)

Hardware/software requirements: OpenGL hardware acceleration

Freeciv is a turn-based multiplayer game inspired to the Civilization series but totally free. The goal is to develop a virtual civilization from stone age to the conquest of space doing better than your opponents.

Operating systems: Windows, Mac OS X, Linux

Latest version: 2.3.2 (March 31 2012)

FreeCol is a totally free version of the game Colonization. In FreeCol the player leaves for the New World in 1492 and starts a colony that he must develop until it becomes independent, defending it from any conquest attempt.

Operating systems: Windows, Mac OS X, Linux

Latest version: 0.11.1 (November 16 2014)

Hardware/software requirements: Java Virtual Machine version 1.5.0 or above

GNU FreeDink is an adventure/role-playing game, similar to Zelda. The game features the twisted adventure of young Dink Smallwood, a pig farmer who leaves his town and goes on a quest to save the world.

Operating systems: Windows, Linux, Mac OS X, FreeBSD

Latest version: 108.2 (May 29 2014)

FreeDoko is a free version of card game ”Doppelkopf“.

Operating systems: Windows, Linux

Latest version: 0.7.10 (August 14 2011)

FreeDoom is a totally free version of the game Doom. The graphic engine was released as open source years ago but the portings still need the original data to run the levels: FreeDoom is recreating textures, sounds and everyting you need to run the game without external non free elements while it still can run the huge amount of levels created by fans during the years.

Operating systems: Windows, Mac OS 9/X, Linux , IRIX, DOS

Latest version: 0.7 (January 22 2011)

FreeDroidRPG is a game inspire by elements of Diablo and Fallout and derives from FreeDroid Classic. In a world destroyed by a war between a war between bots and humans, Tux must save what's left from ruthless rebel bots.

Operating systems: Windows, Linux

Latest version: 0.14.1 (December 11 2010)

FreeLords is a turn-based strategy game in the style of the classical Warlords. In short, you produce armies in cities and use them to conquer more cities and finally defeat the other players.

Operating systems: all the ones with Java support

Latest version: 0.4.2 (May 15 2011)

Hardware/software requirements: Java 1.6 or higher

FreeOrion is a turn-based strategy game inspired to Master of Orion where the players are part of a civilization that just reached space and must start colonizing other planets.

Operating systems: Windows, Mac OS 9/X, Linux

Latest version: 0.4.4 (September 4 2014)

FreeQuake is a totally free version of the game Quake base on GPL components only such as the graphic engin LoRD Havocs Darkplaces,  the Rygels Texture Pack and Q Retexture Project textures, maps, models and sounds all under GPL.

Operating systems:  Windows, Mac OS 9/X, Linux 

Latest version: 0.91 (January 12 2008)

Frets on Fire is a music game where players must use the keyboard to play guitar along with musical notes on the screen.

Operating systems:  Windows, Mac OS X, Linux 

Latest version: 1.3.110 (November 5 2008)

Frets on Fire X (also known as FoFiX) is a music game derived from Frets on Fire where players must use the keyboard to play guitar along with musical notes on the screen.

Operating systems:  Windows, Mac OS X, Linux 

Latest version: 3.121 (December 6 2009)

Hardware/software requirements: graphics card with 3D acceleration

Frogatto is a “platformer” or “jump-and-run” videogame. Like in many classic games, the world is viewed as a cross-section seen from the side, and your character (in this case, a small green fellow named Frogatto) walks and jumps between solid platforms, whilst avoiding monsters.

Operating systems: Linux, Windows, Mac OS X

Latest version: 1.2 (December 11 2011)

Frozen Bubble is the clone of popular game "Puzzle Bobble" where the player use a colored ball to hit other balls with the same color and drop them. Single player or double player modes.

Operating systems: Linux, Windows, Mac OS X, Symbian

Latest version: 2.2 (December 6 2008)