The offer has been extended for another week to celebrate that the total amount of money collected from donators went over $1,000,000. What's more, as promised, all games included except for World of Goo and Samorost 2, will be open sourced under liberal licenses, with Lugaru
already available for anyone to grab from a Mercurial repository, and free to do whatever you like with it as long as it's within the terms of the GPL.