If This Book Exists, You're in the Wrong Universe

If some dark, powerful entity was attempting to ensnare your mind, would you even notice? What is the devil wants to me damnation a bit more fun? In possibly related news, Dave, John and Amy have a popular toy and app that are demanding flesh. It's the same all around the world. Who, or what, is behind it? What's their endgame? As these barely-employed amateurs dig for the truth, another crucial question lingers: Is there seriously no one else who can handle this?