Free game codes are a time-honored tradition when you're building or upgrading a gaming PC. Odds are pretty good that at any given time, a purchase of a new AMD or Nvidia graphics card will come with a free copy of whatever title is hot that quarter. Intel's latest selection of freebies includes the latest Assassin's Creed stab-em-up and an indie survival crafting game called Nightingale. The "Gamer Days" bundle runs from August 24th to September 4th in the United States. Assassin's Creed: Mirage takes the Ubisoft series back to its Middle Eastern story roots, following assassin Basim Ibn Ishaq as he creeps around Bagdad to uncover conspiracies and ancient relics.