It is a game to turn off the rounded square by connecting a rounded square adjacent drag.
Be able to connect is a rounded square of the same color or rounded square of the same pseudonym.
White rounded square you can connect with rounded corners square other than white.
Black rounded square you can connect only with rounded corners square of black and white.
The greater the number of round-cornered square that connects often it will be in high scores.
If you turn off all of the rounded square, score over time is added, will continue the game.