Amnesia Fortnight 2012 is a bundle of prototypes made during a two week public prototyping session in 2012 by Double Fine Productions, which was held in conjunction with the Humble Bundle group in 2012. Everyone that paid a minimum of $1 had the opportunity to vote on 23 concept ideas. After the completion of the voting period, Double Fine developed the top five voted ideas into game prototypes that became available to those that purchased the bundle after they were completed.