Download 3D Chess Windows Me Free

Is a chess game in wich we can play against the computer or other player.

Warzone 2100: Is a 3D strategy game in open code, in which each player will be the military's general and his main mission and will be to protect the world from the invasion of ruthless enemies.
Synthesia: Is a game that will teach us how to play piano using a graphic notes interface that will be dropped as we follow the rhythm.
Nexuiz: Is a shoot-playing game in first person, free and open source, which can run on Windows, Linux and OSX. Aim and shoot.
ORF Ski Challenge: Is a ski game which one you can compete against other players on the internet.
Allegiance: Is an online multiplayer system game.