Perception invokes the most basic human phobia - a fear of the dark - by placing you in the shoes of Cassie, a blind woman who navigates by means of echolocation. It gives her - and you - only momentary glimpses of her surroundings, forcing you piece together room layouts, landmarks, and threats in the mere seconds before the shadows rush back in. It’s emblematic of Perception’s problems, then, that my main emotion as I sat in the dark wasn’t fear, but irritation.