Housemarque's top-down arcade shooter, Dead Nation: Apocalypse Edition, will use a feature titled "Broadcast+". This will allow Twitch TV viewers to directly affect the game by voting during certain sequences.
For example, viewers can give the streamer additional ammo or increase the difficulty by spawning more zombies. Each zombie with the viewers name above their head for that matter.
Which, honestly, sounds incredible. I can't wait to slaughter more viewers. Just kidding, love you all.
But seriously... this is going to be amazing.