you are an explorer who wants to explore a cave at the bottom of the ocean. You have equipped yourself fully with swimming or diving clothes and oxygen bottle. Everything is under control. So you jump into water and swim to the deep position of the sea. After a while, you find the hole of the cave. It is a long and endless cave. You move towards the entrance. It is easy to play. You can just click the left mouse button to move up and release the button to lower down. There are numerous rocks floating in the middle of the cave. You must avoid hitting the rocks or any other obstacles. Once you hit one of them, the game is over. Try to swim as far as possible. The farther you can go, the more points you can get.