Deeeep.io

Gameplay
Deeeep.io is game created by Federico Mouse. The controls are simple. Move your mouse and the fish will Follow it. (Like most .io games.) You need to eat food to evolve to get stronger. Players Tier 2 to Tier 10 drop meat, which is food.

Biomes
The biomes in Deeeep.io are:

The Swamp, a biome with lots of trees and greenish water.

The Ocean, has lots of anamones and many hiding spots for low tiers.

The Arctic, has alot of volcanos and glaciers that have igloos. (Penguin and seal can hide in these)

The Deeeep, is very dark and has a few airholes.