Hello!I am Sana Akhtar, Mphill student of Computer Science and doing Reseach work on “Usability of Game Design Document and its impact.” Game Design Document (GDD) is use in pre-production stage of game development, it’s a detail plan which elaborate features, working and concept of game. Kindly tell me did you use any type of Game Design Document while developing “Candy Crush”. And if your using another document for game design kindly mention it’s name. This will be very useful for my Research work. I assure you that this information use for thesis purpose only.Thanks