Nevermind, the horror game that gets tougher as you get scared, still has a few hours left to get funded. We played a demo of it recently and should have impressions up for you soon (heart monitor experience and all). For now, let's just say it's like if Telltale made a creepier, slightly more puzzle-oriented horror…
Horror games can be scary enough on their own—do we really need one that measures our heart rate and gets harder as we get more scared? Maybe we do. Maybe. We. Do.
We've seen biofeedback in video games before, most recently at GDC, where Valve discussed its application in Left 4 Dead 2, Portal 2 and other titles. This, however, is a little more brute force. And it's something you can build yourself, if you're so inclined.
While gamers have been using video games to combat stress and anxiety for decades, mental health professionals are only just beginning to see the benefits (and potential drawbacks) of interactive entertainment on our physiological well-being.