Hold your device (phone or tablet) parallel to the floor and tilt it up and down to roll the ball and pass it through the incoming obstacles. A simple mechanic that's tough to master, leading to hours of fun (or, possibly, rage).
Reach a high score to unlock the next difficulty level. Unlock all levels and share your score with your friends.
Imagine Flappy Bird, but instead you have to tilt your device to make the ball roll and avoid the on-coming walls.