The purpose of the game is to build a rainbow across all the sky while cleaning the landscape from raindrops and thereby scattering the clouds. A game includes 50 levels and combines unsophisticated, classic, easy-to-learn game play and an original action. Mastering the game is facilitated by prompts. The game provides for bonuses that make a playing process varied and unforeseeable. Also available version for PocketPC(WinCE), Linux and MacOS.