Oceanar.io

Oceanar.io (æµ·æ´‹å…µ) - conquer the deep sea! Oceanar.io is a very challenging and highly addictive game from the .io game series. Control queen fish and swim across the vast and dangerous ocean, consuming everything smaller than you. The more you eat, the more you grow and the bigger, more meaningful things you can consume!
𝐂𝐚𝐭𝐞𝐠𝐨𝐫𝐢𝐞𝐬:
io Games
𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬:
HTML5, PC
𝐏𝐔𝐁𝐋𝐈𝐒𝐇𝐄𝐃:
Dec-27-2019

Left mouse button or W to attack
Right mouse button or space bar to merge

Source:

Friv2Games