In the ocean, there are a lot of bubbles, pretending that you are one of the red bubble and you have the enemies are those black sharp bubbles. You are on the way home, you will meet other red and colorful bubbles, you can say hello to them, hug them, gathering with them, but just avoid your enemies--- Black Bubbles, otherwise you will lose your life and restart the game, then you can not arrive hom on time. So, be careful!