Game mostly like mahjong-solitaire.
Find matching cubes. Faster you find mathces - more scores you earn.
Find 2 matching cubes and click them both.
Camera rotation: press and hold left mouse button.
Camera zoom: mouse scroll wheel.
1000 points for every found match.
Time-Bonus score: if match was found in 5 seconds after last.
Extra combo bonus begins after second Time-Bonus.