A small black ball was in a deadly trap. In the game Square you will have to help him survive. In front of you on the screen you will see a closed space in the form of a square in which your ball will be located. It will move inside the square at a certain speed. The bottom of the square will not be there. Look at the screen carefully. As soon as the ball flies down and ends up in a certain place, you will have to click on the screen with the mouse. Then the bottom edge will appear and your ball, reflected from it, will return to the inside of the square. For this action you will be given points. You will need to do this action for a certain time. As soon as it expires, you will receive points and proceed to the next level of the game.