Stardock's digital distribution platform, Impulse, is having its weekend sale, knocking 50% off the regular price on TangleBee, DarkSide, ArkLight, Scavenger, as well as price reductions on Nemesis of the Roman Empire, Restaurant Empire, GalCiv II - Ultimate Edition, Resident Evil 5 (pre-order), Cities XL Limited Edition (pre-order), Time of Shadows, Warlords Battlecry III, Space Rangers 2, and Capitalism II. Impulse also announced EA's arrival on the platform with Command and Conquer - Red Alert 3 / Uprising, SPORE, The Sims 3 and pre-orders for Dragon Age Origins,