Deeeep.io 

Deeeep.io
Description
Deeeep.io offers an oceanic survival adventure, where you start as a small marine creature and evolve into powerful predators. Navigate the seas, evolve strategically, and aim to dominate the aquatic food chain. With strategic moves and clever tactics, outplay other players in an intense, multiplayer setting.
How to Play
Use the arrow keys and mouse to control your creature. Eat smaller beings to gain experience. Evolve to increase strength and gain new abilities. Avoid larger predators to survive. Tip: Seek safe areas to rest and plan your evolution path.
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Game info
Platform
Screen orientation
Release date
June 16, 2021