Circulate spheres around 120 levels by spinning each level left and right. Levels contain a variety of over 20 sphere types which can be controlled, collected or destroyed, depending on the level's objectives. Circulate is easy to pick up and play. The left mouse button activates the various sphere types, the right button rotates the level. Features 120 unique levels, 5 level themes and 20+ sphere and object types. Great visual effects and 40+ sound effects. Comes with a 30 day money back guarantee.