Stardock's digital distribution platform, Impulse, is having its weekend sale, starting with a sale on THQ Ultimate Bundle (17 titles for $99.99), knocking 50% off Out of the Park 11, Air Aces - Pacific, Mass Effect 2 Digital Deluxe Edition, Sherlock Holmes Versus Jack the Ripper, Sherlock Holmes - The Awakened, Sherlock Holmes - Nemesis, World War 2 - Time of Wrath, Hard Truck Apocalypse, while also dropping the price on 18 Wheels of Steel - American Long Haul, Prison Tycoon 5, Hunting Unlimited 2011, Hunting Unlimited 2010, Prison Tycoon 4, 18 Wheels of Steel - Extreme Trucker, Puzzle Quest Challenge of the Warlords, and Mount and Blade Warband.