In each of several levels, is trying to get to a . He can't go through the , and he can only open a if he has a . may find a that he can't move, and he'll have to go around it. He may come up to a , but he can push the out of the way. He can collect along the way, but he must avoid the . If he gets too close to a , it will . He may encounter a , but when he gets near it, the opens into a dangerous .