Most scary games just want to scare you, but Nevermind wants to scare you and then help you manage your anxiety. The concept for this white-knuckled first-person experience is really cool, taking advantage of biofeedback not just for self-help, but actually to adjust the thrills and chills as you play. It uses a headset that reads your pulse to hook into your biorhythms, and then pushes your panic button repeatedly. When you’re scared, the game gets harder; the only way to continue is to calm yourself down. And no cheating with Klonopin. We’ve talked about it before, and we’ll be…