Heavy Rain development studio Quantic Dream is notorious for long development times. The studio's also notorious for critically-loved games with strong cinematic cores, and games that often look very different from the competition. Part of that is game design, but another major piece of the puzzle is the engines driving those games -- each game that Quantic Dream makes is built in a unique game engine, which is both very expensive and very time-consuming. The studio's founder and lead, David Cage, explained as much to us in an interview at DICE 2013.
