SimTractor simulates growing of corn, wheat and rye-grass. You get in the farmers' world and go throw all the operations a real farmer deals with: from plowing till harvesting and selling.
Space King 5.0
Space King is a futuristic stock market simulation set in outer space.Make lots of money by trading within a unique solar system.
SpaceStationSim gets you up close and personal with your own crew of astronauts who live and play in outer space! Build and customize your space stations any way that you want, with loads of modules and cool components.
SynJet is a free Internet multiplayer battle flightsim for 8 players per channel. Cooperate or compete as you fly missions with your friends. Flexible mission format allows creation of new missions to share with your friends.