Super Hexagon

Super Hexagon is a game that will kill you in seconds. A pattern of geometric shapes flow towards the center of the screen to the beat of the music, and your task is to dodge them. You won't. You'll die. If you get really good, you'll die in minutes. And you'll love every one.

credit: https://play.google.com/store/apps/details?id=com.distractionware.superhexagon