One ball, one circle. The minimalist screen of Cerkio holds little more than a ball and the target ring you have to fire it into.
A single tap. There is just one input: tap to launch. The entire skill lies in choosing the moment, and the game is designed to be played with one hand.
Thirty-plus stages. There are at least 30 levels, and each one introduces a new puzzle element, so the right moment keeps moving. When a shot misses, think back over how it flew. Your previous attempt is the best hint the game will give you.
A quiet soundtrack. Relaxing music keeps the mood calm even when a level takes many tries. For another game where timing your movement is everything, Classic Snake is a click away.