Your heart is located in bottom of the screen and does not have to be approached by its cursed germs. To be done, you are used for yourselves of the mouse to make them swivel between them. As soon as 4 germs minimum of the same color are gathered, they are eliminated, which progressively enables you to pass the levels. Attention, other concern comes to be added during the play as for example blocks which cannot swivel. 3 bars are available in bottom: 1st allows you to increase your competences and to have will extras, 2nd offers a heart of no-claims bonus to you when it is filled, 3rd indicates to you the state of advanced attack of the germs. With you to play!