Not everything needs to be serious to become fun. This game is right in the alley as you just need to get all the balls in the game. Actually, you need to make sure that the yellow ball won't fall since he is the good guy. In this game, you need to get all the ball to be able to get to the next level. The game would be harder and much more challenging than before, so you need to do better than the last time. The game would be much more challenging as you make some progress.