A very simple game that will challenge you to think very very fast!! original color blind mode,smallest installation package for only 4.2mb How to play: -Move the falling blocks into the best position to combine blocks and clear rows. -2 blocks of the same color will combine into a single block of a darker color. -clear the row with the same color. -don't let your stack of blocks hit the top. whatever,it's very simple but very challenge.