Author's Response:
A small handful of people keep making this claim, yet they can't (or won't) site specific examples. If there is a game just like this out there, I've never played it. And I've played a TON of games in my lifetime. Not that it's not possible. It's a rather simple idea, and I wouldn't be surprised if there isn't something very close to it out there, but I came up with the concept on my own.
