Use arrow keys / WASD to move. Press E, F, or T to turn on your flashlight, and the time is on the top right corner. Press Q to attack the shark, pick up trash, and take spare batteries to help turn on your flashlight. Click the "Shop" button to go to the shop to buy stuff and sell trash. To return, click the "Sea" button to go back to the Sea and clean it.
Note that sometimes, the thumbnail can glitch, and soon, there will be a part 2 with many different oceans, from the Atlantic to the Pacific, slowly getting more polluted.
