GOG.com announces their "Big Winter Sale" is underway, promising over 500 deals up to 90% off, $3.00 mystery games, and free games just for shopping. Here's word on their 48-hour "launch fest":

We're kicking off the sale with 48 hours of big bundles that you just couldn't stop bugging us for. So set your lasers to hype, the STAR WARS catalog is here up to 77% off, including the X-Wing & TIE Fighter series, Galactic Battlegrounds Saga, Knights of the Old Republic I + II, Battlefront II, and more. At up to 75% off, head back to the Lucasfilm classics, including Indiana Jones and the Fate of Atlantis, Sam & Max Hit the Road, Outlaws, The Secret of Monkey Island, and more. Finally, there's also the Divine Pack, featuring Beyond Divinity, Divinity 2, and Dragon Commander Imperial at up to 85% off.