To pass each level you can in several ways that differ in complexity and number of hearts which you can collect by walking along the selected route. You do not have to collect all the hearts to complete the level, but it is necessary to complete the entire game.

To pass each level you can in several ways that differ in complexity and number of hearts which you can collect by walking along the selected route. You do not have to collect all the hearts to complete the level, but it is necessary to complete the entire game.