Dialogue is a major aspect of storytelling across every medium, but often a lack of dialogue can be as telling as spoken words. A glare or pained look can inform you of a character’s emotions and thoughts; entering a quiet room can build tension. Games like The Walking Dead (2012) and this year’s Oxenfree often give you the option to say nothing, to stay quiet, and the upcoming “interactive drama” Virginia features no dialogue at all. “To play it, you don’t feel like you’re in this strange world, like you walked into a library and everyone’s being incredibly hushed. It’s just the way…