1.Using num key 1,2,3 or 4 to choose the game level.

2.After entering the game,your can use arrow key to control the torus plate, the line with same color will disappear , your target is to make the line same color as many as you can.

3.If one of the container was full , the game will end.

level 3 :Clear one line you will get 450 points, clear all the container, you will get 3000 points.

At the begginer, there are three containers, after some time,there will have four,five containers