Chess game. It supports disconnected network play by means of emails or such. It supports also realtime network play through a TCP connection. Pluggable AI is under development.
The jQuizShow is based on the popular "Who Wants to Be a Millionaire" TV game show. It forms the framework around which a group can play their own Millionaire-like game. It is fully customizable and easy to add your own questions and answers to.
LinXtris is a simple Tetris clone. Although the name is inspired on Linux, the game is designed to run on any platform that supports the Gnat Ada compiler, the Gtk+ toolkit and the GtkAda binding. This game should compile easily on any *nix and Windows system since GtkAda using Gnat does not require a makefile for each specific platform.
Wormz is graphical multiplayer game for many players (1 to 100, there can be 'bots' controlled by the computer). The basic principe is similar to the BSD game 'worm' - just stay alive longer than your opponents and you win.