In Fishing.io Game you are about to be the first fisherman ever who reached the ocean floor. Collect fish and treasures to buy fishing net upgrades to reach deeper depths. Find more characters trapped in the sea and try to fill in your trophy room. Fishing.io Game is one of many web based games on Round Games for you to play online without downloading. This game is one of the Adventure Games at Round Games. It also tagged as a fishing and upgrade game. To play even more free games, view our most played and all games pages. If you want to play more like Fishing.io. Then you can simply check out the games inside the game tags that are the most relevant to your interests. Or check the Adventure Games category or check the related games section at the end of the game page.