If you do not make a minimum of one star in a level, you will certainly be required to a display where you can opt to either keep playing the level or end the game session. It will certainly cost you genuine cash to do so if you pick to keep playing. Ending the game will certainly take you back to the level select display where you can then opt to attempt the level over once again from the start. To pass a level, you should have made a minimum of one star. You can see your star development at the bottom of the display. As your rating increases, so does your star score. Particular levels you discover will certainly have various objectives than regular, such as needing you to clear sand.