Steam News announces the playable demo for Supreme Commander 2 is now available on Valve's digital distribution network, offering a sample of the real-time strategy sequel from Gas Powered Games. The demo includes two levels of the tutorial along with two missions for the United Earth Federation (UEF), one of the three Colonial Defense Coalition factions. Valve also announces that the demo and the upcoming full retail and electronic versions of the game will both include full Steamworks support for auto-updates, Steam achievements, Steam support for in-game DLC, and more. Supreme Commander 2 is due in North America on March 2, and in PAL territories on March 5. Steam has also begun accepting preorders for the game.