The stars are full of puzzling fun in this brain-bending challenge. In this astrological journey, assemble different sized rings into groups of matching colors and they'll disappear from the screen. Race to stop the advancing rings from reaching the end in Action mode, or take your time in Strategic mode. Featuring beautiful but mysterious alien landscapes and a relaxing soundtrack, Cosmic Stacker is a stellar way to unwind your mind! - Cosmic Stacker!