When it comes to identifying the single-most important year for indie games--the one that helped showcase their innovation and saw their influence grow--it doesn't take much to make a case for 2013. It was the year of The Stanley Parable and Papers, Please, of Hotline Miami and Don't Starve. Gone Home and Kentucky Route Zero were another two that were particularly notable, and lest we forget Rogue Legacy, Guacamelee, Surgeon Simulator, Antichamber, and Depression Quest. It was a year that...