Just because the holidays are over, doesn't mean that the game sales are over. Over the next two weeks the Humble Store will be holding a Winter Sale, discounting tons of PC games. 10% of each purchase will go to the Wikimedia Foundation by default, unless you select a different charity.
The sale itself discounts a mix of old and new game's, offering sales on a majority of Bethesda, Sega, Capcom, and Activision games.
Some of the highlights of the sale are The Witcher 3: Wild Hunt, which is 50% off making it $29.99, the recently released Just Cause 3 which as been discounted by 20% off putting the price at $47.99 and Alien Isolation (with all seven DLC packs) which is 66% off putting the game and all of its DLC at $20.39.
Other games like Rocket League, Cities Skylines and Life is Strange have been discounted as well. Check out the Humble Store to see the rest of the game that are on sale!
