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Gtkboard is a board games system. It implements all the common aspects of board games, such as the user interface, move parsing code, AI and file format. Games are fitted in as plugins. Currently more than 30 games have been fully or partially implemented. Some are single player and some are two player games. The user can play with the computer or with another person. It supports infinite undo and redo of moves.

License: free

Additional System Requirements: gtk+ version 1.2 or higher is required. However, there are a few features that will work only if gtk+ version 2.0 or higher is available.

GtkLife is a fast, user-friendly implementation of Conway's Life: a form of artificial life developed by the mathematician John Conway.

Conway's Life is played on a square grid, where each cell is either alive or dead. The initial pattern "evolves" from generation to generation according to a few very simple rules: live cells with less than 2 or more than 3 neighbors (including diagonals) die, while dead cells with exactly 3 neighbors come to life. The results can be surprising: Conway's Life has self-organizing qualities, exhibiting a number of recurring themes. In addition, Life patterns can be constructed that have computational abilities, even to the point of Turing-completeness.

GtkLife features a highly-optimized Life algorithm, a giant universe size (1 million x 1 million cells), a modern user interface, and a clickable sidebar of bundled patterns. Users can explore the included patterns, as well as draw on the grid and see what they come up with on their own. Facilities are provided for zooming, traversing the grid in various ways, cutting and pasting blocks of cells, and running patterns at adjustable speed.

GtkLife will read and write multiple file formats in use among Life enthusiasts, including the popular RLE format.

License: free

Additional System Requirements: Gtk+ (1.2 or 2)

GTKPool is a 2D pool game using the GTK+ toolkit. It should run on Unix and Linux variants. It currently supports playing 8-ball, 9-ball and Rotation as well as a "No Rules" option for practice/just messing around. It supports many options and has configurable physics so you can do almost anything.

License: free

Additional System Requirements: Gtk+

GtkRadiant is a level editor.

Supported games: Doom 3, Enemy Territory, HalfLife, Heretic2, Jedi Academy, Jedi Knight 2, Quake, Quake 2, Quake 3 Arena, Star Trek Voyager Elite Force, Soldier of Fortune II, Return to Castle Wolfenstein

License: free

Additional System Requirements:

• Gtk2
• OpenGL hardware acceleration is highly recommended.

GTuxNES is a graphical interface to the command-line TuxNES. It is completely separate from the TuxNES codebase and so is extremely small and fast.

License: free

Additional System Requirements: GTK library

Guilty Bastards is a work of interactive fiction (that's fancy talk for "text adventure"). It contains a rich story in which you can immerse yourself by communicating in full sentences, playing the lead role as you explore a world populated by lifelike characters--some shady, some only partly shady--with 24-bit full-color images and 32-channel stereo sound and music.

License: free

Additional System Requirements:

• Hugo engine (available from the site)
• wxWindows (for graphics)