The screen blinks. Instructions arrive. “Plug in your headphones, put away your device, and listen up…if you hear static, you’ve gone too far.” HATFinder (2015) is a mobile-based spy game that’s not played on the screen. The initial instruction screen is the one and only time you’ll see anything on your phone. The rest of the time it’s played with your ears. Under the backdrop of a missing agent, it’s your role as a spy to investigate what happened. In short, the game is a sound-based scavenger hunt. While navigating a physical space—the game is specifically designed to be played…