GamersGate is offering BioShock for 60% off, making the waterlogged shooter $11.98. The Impulse Weekend Sale offers several titles, including Grand Ages: Rome for $29.99 and a Crazy Machines Bundle for 39.99. Also, Steam is running a 50% off sale on all Relic Entertainment games, including Warhammer 40,000: Dawn of War II. Finally, Steam is now offering the Hearts of Iron III pre-purchase bonus Paradox mentioned last week, offering a free copy of Hearts of Iron II to play while you wait for the World War II grand strategy sequel's release next week.