This is an online game called Очищення океану Смурфики, as you can see from the title that you will be helping one of the Smurfs clean the ocean of a tropical island. Gargamel and Azrael have trashed the place, now you have to pull out all of the unwanted items from the ocean. You will also earn coins for each item you pull out, use these coins later to upgrade yourself with a longer fishing line to grab more garbage. Apart from trash, there will also be valuable treasures and cool stickers floating around, so keep an eye out for them. Good luck and have a fun time!
