Glow Box is an adventure game where you'll play from the perspective of a machine capable of nothing more than emitting light. Gameplay lasts approximately 60 minutes. Glow on. Glow Box is an adventure game where the only thing you can do is glow. Play from the perspective of a machine capable of nothing more than emitting light--the only means you have to communicate with the mysterious visitor who stumbles upon you. Within the main game, there are no text input options, nor any choices to select. Instead, the game progresses solely through a text-to-speech function that allows you to "hear" your visitor. The only method available to you for responding is flashing your light on or off, in the hopes that your message gets across. Gameplay lasts approximately 60 minutes. Glow on.