Rules of the game is very simple, each can choose one direction to go up and down the slide, slide every time, all the boxes will be the same group, the system will place a random number in the blank box to the emergence of a group closer to the sliding direction, the same group box in closer, when will the sum of collision. Try it, you can get the number of points? Similar games 2048 games, but more interesting than the average 2048 games!