Collect as many rings as you can of the colour you have on you. If you pick up any rings that are not the same colour, they will be subtracted when you reach the end and you will not get any more coins. Press the end button to use the coin multiplier to upgrade your coins.
Shoot the cube at the piece of the circle that has the same colour as the cube. Each time you hit it will go faster. If you miss the part of the same colour you will lose and you will have to start all over again.
Press the coloured bar below the column to make a ball come out and make it disappear. Destroy all the balls before one of them reaches the bottom and you lose. It will get harder and harder because it will get faster and faster.
Change the colour of the cannon so that the bullets come out in the same colour as the wall to destroy it and score points. If it is not the same colour, it will not be destroyed and the wall will get closer and closer until it passes the blue line at the bottom and you will lose.