Paying more than the average price (currently just over $5 USD) will net you Steam copies of BioShock 2, Mafia 2, and Spec Ops: The Line.
Lastly, spending more than $20 USD unlocks BioShock Infinite, as well as XCOM: Enemy Unknown.More games will be added to this bundle on Tuesday, July 15, and will automatically be unlocked for those who pay above the average price.
Everything included is redeemable on Steam for Windows, though select titles are additionally available for Mac and Linux. A DRM-free version of BioShock is also available.
Customers can choose how their purchase is divided amongst 2K, charity and a Humble tip. The Humble 2K Bundle supports the American Red Cross and Action Against Hunger, an organization committed to supporting malnourished children.
The Humble 2K Bundle will run for two weeks, ending on Tuesday, July 22. Brandin Tyrrel is a freelance writer covering games and tech. There's absolutely no reason to follow him on Twitter.