Haven't played some of the latest indie standouts like Papers, Please, Gone Home, and Luftrausers? Now's your chance to do so and donate to a worthy cause as well.
Today Humble Indie Bundle 12 released. You can pay whatever you want for SteamWorld Dig, Gunpoint, and Hammerwatch. If you donate more than $7.99 you receive Papers, Please, Gone Home, and Luftrausers. Increase your donation to $10 and you also get Prison Architect. Chipping in $65 gets you everything, plus some schwag.
You can choose whether your donation goes to Child's Play or the Electronic Frontier Foundation.