AGS Bake Sale here yet, so I will. It's a collection of 14 games released as pay-what-you-want, with the proceeds going towards the Child's Play Charity. The games are all made with AGS, of course - Adventure Game Studio, although not every game is a standard adventure game (AGS is a very versatile game engine). The bundle has so far sold over 800 copies, with over $3,000 already raised for charity.
For more information or to buy the collection, visit the official website: