Circles is an abstract puzzle game that takes your mind off things. No words, no distractions: an invitation to experiment. Relax, let your mind wander and discover the puzzling possibilities of circles.
This demo inlcudes 13 of the 90+ level from the full games. The full game also contains 4 modes to mix up the gameplay and add replayality.
Steam page here: http://store.steampowered.com/app/460250/