Why not spend the hot Summer months by speed running some games from The Summer Games Done Quick Bundle raising money for Doctors Without Borders. With a donation of just $25 or more you will receive over $90 worth of games. 100% of the funds raised will go to charity. The bundle includes Amnesion: A Machine for Pigs, Gunpoint, Noitu Love 2 Devolution, Bleed, Electronic Super Joy, Guacamelee Gold Edition, Psychonauts, Dustforce, The Basement Collection, and the Giana Sisters: Rise of the Owlverlord all game are DRM Free. The Bundle will run from June 22nd to the 28th.
Source: Humble Bundle SGDQ