Take 75% off Duke Nukem Forever on Steam during this week's Midweek Madness*! Put on your shades and step into the boots of Duke Nukem. The alien hordes are invading and only Duke can save the world. Pig cops, alien shrink rays and enormous alien bosses cant stop this epic hero from accomplishing his goal: to save the world and save the babes! *Offer ends Thursday at 4PM Pacific time.