This is the fourth game from series of coloring games about underwater world and fishes. Play coloring game Underwater world 4 with beautiful fishes. Choose free mode of the game and design colorful picture as you like, or choose challenge mode and try to get five stars. If you choose challende mode, your goal is to use Hint to remember colors and become the winner. After every one minute you can use Hint again. Underwater World 4,coloring game,fish coloring,color by number,coloring,kids games,arcade game,free coloring game,challenge mode,color recognition,star rating,ocean,sea,marine life,colorful,easy to play,relaxing,creative,artistic,fish art