The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
Simple to learn, hard to master! CircleStack is a simple game meant to challenge your concentration and quickness.Simply tap inside the circle and see how many circles you can stack up without growing a circle bigger than any previous one.Earn the ability to clear the screen when you get a "perfect". Get multiple perfects in a row and earn bonus points.