Hungry Shark Arena

Hungry Shark Arena is another free io game, where this time, you play as a shark. Your task is to swim around the arena and eliminate all of your opponents. Eat food to gain boosts and a higher score. 

Ubisoft developed Hungry Shark Arena.

Features
Battle and impale the aquatic opposition
Eat their remains to grow bigger and get stronger
Choose a unique username to take into the game
Earn gold to buy new sharks with different strengths and abilities