Until recently, gaming had never been much of a spectator sport. You played video games alone in your living room or online with a group of friends and strangers, but once you were done playing, you moved on to another, less-interactive medium.
But now, with the advent of Twitch and rising popularity of streaming, a few game designers are finally beginning to gear their projects towards the audience that watches people play games.
You have to beat this game in one go, because you can never play it again after you die