The weekend deal on Steam is 1701 A.D. (aka Anno 1701), the real-time strategy/city construction game from SUNFLOWERS. Until Monday 1701 A.D. Gold Edition is $14.99, which is half-price. Impulse Weekend Buys include Kingdom Elemental Tactics for $14.95 ($5.00 off), AI War for $14.99 ($5.00 off), Space Rangers for $9.99 ($10.00 off), and Hero's Tale Enhanced Edition for $5.99 ($4.00 off). Finally, GamersGate offers Universe at War: Earth Assault for $9.95 (half price), Serious Sam 2 for $14.95 (also half-off), and Viva Media Chess Bundle for $29.95 (40% off).