Humble Bundle has expanded its latest software bundle with both Dungeons of Dredmor and the source code for several introversion games. Dungeons of Dredmor is being offered to all customers that pay more than the current average price, while every purchase includes source code for Darwinia, Multiwinia, Defcon, and Uplink: Hacker Elite. The Humble Introversion Bundle will last for another 6 days and has already sold more than 154,000 bundles.