The game involves both web content and interaction via text messaging, phone calls (accessible within the United Kingdom only), electronic mail, and with a chatbot on a proprietary Macromedia Flash interface designed to resemble an instant messaging system. Rob Cooper, producer with the BBC's interactive drama and entertainment department, stated, "You play for around 20 minutes a day and it makes use of AI chats to feed you info. Typically, it will take around 15 days to solve, a clue at a time."