FlightGear is an open-source flight simulator.
Pingus is a free Lemmings-like game.
Stunt Playground is a fully 3D stunt driving game for the windows PC. the game features extremely realistic physics that are fully integrated into both the driving, and the editor as well. this means you can arrange the various props and jumps in any way imaginable. of course you can save and load your creations for later as well.
Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization. The game commences in prehistory and your mission is to lead your tribe from the stone age to the space age…
The Battle for Wesnoth is a turn-based strategy game with a fantasy theme.
The Battle for Wesnoth v1.3.13a
The Battle for Wesnoth v1.3.13a (linux)
The Battle for Wesnoth v1.3.13a (macintosh)
Glest is a fully customizable 3D freeware RTS game.
A nice platform-adventure game.
