The Humble Firaxis Bundle is here! Name your price: pay $1 or more to unlock XCOM: Enemy Unknown, Sid Meier's Pirates!, Ace Patrol Bundle, and Civ3 Complete. Pay more than the average (about $10 at the moment) to unlock Civ4 Complete, Civ5, Sid Meier's Starships, XCOM: Enemy Within, and more. For just $15 they'll even throw in Beyond Earth as well! Support charity, buy now -- 10 days and 20 hours left to act on this offer!