Play free game online Piranh.io at templerun3.co! It is the ultimate underwater IO game created by Kiemura! You'll play as a piranha under the sea with one mission: eat and destroy all the other piranhas. Only the toughest piranhas will survive this feeding frenzy! Hunt down some tasty tourists but watch out! Lots of other piranhas will want to sink their teeth into you in this multiplayer .io game.