If you combined the NES classic Ice Climber with Pogo Stick footwear and a healthy dose of frenzied mania, you'd start to get an idea of what Icy Tower is like. Climbing to the top of a crumbling building is one thing, but doing it with bouncy shoes strapped to your tootsies while moving at a rocket speed pace? It's official -- arcade style craziness has finally come to Facebook.