In Bubble Trouble, all players work together to try to bring as many sea creatures as possible back to the reef. To achieve this, they have to skillfully throw bubbles from the reef towards the sea creatures. All animals that are caught by a bubble drift one step closer to the reef; all animals not caught by a bubble swim further towards the shark. Once no more animals are in the playing area, the game ends and the players receive points for all the animals they rescued.