Java soccer manager is game with more fun with soccer teams in leagues. Teams can promote and relegate to upper and lower leagues, number of seasons are not limited.
Simulated shoot-them-all game for robot-tanks equiped with laser. The users program the AI to drive the robots.
Space simulation game. Nothing more specific right now.
Modular Railway Simulator: Rail'o'matic -- (1) flexible solution of railway's scheme; (2) realistic physical model of train move; (3) extended logistic core; (1) + (2) + (3) = good base for game
In Open Czech Soccer Manager you can manage your own soccer club in 1st or 2nd Czech Soccer league.
A classical life simulation game (with erotical flavour) as you know from MS Windows. Unfortunately, it runs only in text-mode, but maybe it will change some day. :-)
platform independent railroad simulator using SDL & OpenGL, multiplayer capable, client-server architecture
Home of Pax Imperialis MMORPG and others projects as Defender of Mars, CsIndex, Wox, ...
ROBOTIX is an opensource 3D game written in python, PyGtk, Gazpacho(Glade rewrite),Python OpenGL bindings. You build robots from predefined parts and make programs for them. Supports robot fighting and online score management.