A new game for you guys to check out today as the Perimeter single-player demo has been released. The 179mb download comes with a tutorial, one mission and two battle maps. Here's how this strategy game is described by publisher Codemasters.

Perimeter is a ground breaking real-time strategy game which brings a range of fresh ideas to the RTS genre. Use strategic Terraforming to acquire resources, project a impenetrable perimeter force shield to protect from attack and marshal your forces though manipulation of nano-technology. These key gameplay elements deliver a new challenging and rewarding experience for single and multiplayer. Perimeter is set in a universe where the earth has been abandoned and multiple civilisations are in a race across a newly discovered galaxy to colonise the only suitable planet. This epic journey will involve exploring many new worlds, battling against other civilisations and indigenous species, all to acquire energy to continue the search for a new home.