Double Fine is hosting a game jam, and you can help pick what they make (and even play the finished products) by contributing to a new Humble Bundle.

$1 is all it takes to vote on what games the developers work on, and download the prototypes. If you contribute $5 or more, you’ll also get the prototypes from Double Fine’s 2012 and 2014 game jams. And for $15 or more, you’ll also a collection of Double Fine games, including Starbase DF-9. As always, a portion of the proceeds go to charity,