Firaxis and 2K have released a playable demo for Sid Meier's Civilization V, the latest installment in the epic strategy franchise.

Built on a new engine, Civilization V features an entirely new combat system, deeper diplomatic interactions, an intuitive interface, improved diplomacy, in-game community hub, advanced modding tools, and more. The demo requires a Steam account.

You can download the 2.6GB file from GP Downloads, and read our Civilization V review here. Don't forget to enter our draw too - you could win a copy of the full game.