Bridge Calculator to darmowy (freeware) program autorstwa Piotra Belinga wykonujący różne obliczenia związane z grą w brydża (min. rozwiązujący problem rozgrywki w otwarte karty).
GTK Cervi is clone of very good game called Cervi. It is a multiplayer game (on one machine) where players drive a worm and mustn't collide into anything.
Jin is a Java client for various chess servers. It currently supports the Internet Chess Club (chessclub.com) and the Free Internet Chess Server (freechess.org) but is designed to be able to support any chess server.
Airstrike is a 2D dogfight game in the tradition of the Intellivision and Amiga games 'Biplanes' and 'BIP'. It features a robust physics engine and several other extensions of the original games.
You are mage on small platform and you have to defeat all your enemies. You have to learn more and more spells, because your enemies are strong. Are you good enough?