Download game Glest

Glest is a free 3D real time strategy game, available for several operating systems and that can be modified using XML and a set of tools

The core game allows the player to take control of two completely different factions: Tech, which is mainly composed of warriors and mechanical devices, and Magic, that prefers mages and summoned creatures in the battlefield.

Download Here.
http://www.glest.org/en/downloads.html