Once you've connected the pipes click the tap to go to the next level before time runs out. Points are gained for the fewer moves made, the quicker the level is finished and how many pipes are used. Rotate the pipes by clicking on them in order to connect the tap with the overflow pipe.

From Nintendo’s perspective the need for a revolution is much clearer. Since the 8-bit NES/Famicom from the 1980s, every Nintendo console system has declined in sales, even as the overall market has grown. Nintendo has thrived on the portable market, but the company has put itself on the brink of becoming a non-player in console systems.
Adicting Funny Games