Etherium

In Etherium, three empires are engaged in a merciless struggle to control a handful of planets that contain rich deposits of etherium, a mysterious resource coveted by all. In the multiplayer or solo campaign modes, you lead one of these three factions, each with its own characteristics, strengths, weaknesses, technologies and special abilities, and engage in titanic battles to gain total control of the etherium! Source: The Game Website.