Head to head

Agar.io vs Sea Fortress

Agar.io

Live

44 – 21k daily

Sea Fortress

Live

Side by side

Values shared by both games are highlighted.

Status

ACTIVE

Released

April 2015 · 11 years ago

May 2019 · 7 years ago

Daily players

44 – 21k

No population data

Estimated players

141.2k

—

Available on

Browser
Windows
macOS
Linux
Android
iOS

Android
iOS

Platforms

Perspectives

Isometric

Isometric

Player activity

Smoothed estimated players over time.

Agar.ioSea Fortress

Agar.io

Average monthly estimated players
Month	Estimated players	Change
September 2026	~141.1k
August 2026	~141.1k
July 2026	~141.1k	—

Sea Fortress

Average monthly estimated players
Month	Estimated players	Change
September 2026	—	—
August 2026	—	—
July 2026	—	—

Community breakdown

Steam, Discord, Reddit, Twitch, and YouTube activity for both games, side by side.

Discord members

Agar.io: 27.3kUp 0.4%
Sea Fortress: —

Agar.io currently has 27,330 Discord members; no comparable data is tracked for Sea Fortress.

Reddit members

Agar.io: 29kUp 0.1%
Sea Fortress: —

Agar.io currently has 28,982 subreddit members; no comparable data is tracked for Sea Fortress.

Twitch viewers

Agar.io: 6Up 100%
Sea Fortress: —

Agar.io currently has 6 live Twitch viewers; no comparable data is tracked for Sea Fortress.

YouTube subscribers

Agar.io: 1.2m
Sea Fortress: —

Agar.io currently has 1,210,000 YouTube subscribers; no comparable data is tracked for Sea Fortress.

How these estimates are made

Agar.io

Agar.io is estimated to have 44 – 21k players a day. Around 20k – 2m accounts have played it in total. No Steam data is published for this game, so the range is modelled from the size of its Discord, Reddit, Twitch, YouTube and app-store communities. It is a rough band rather than a measurement.