How many people are playing My Joyful Aquarium right now?

My Joyful Aquarium is app 3338820 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of My Joyful Aquarium?

3 concurrent players on Feb 2026.

When was My Joyful Aquarium released on Steam?

My Joyful Aquarium was released on Steam on 16 Sep 2025.

Status

SteamPeaks

My Joyful Aquarium

GameApp ID 3,338,820by Error 300Released 16 Sep 2025

View on SteamSteamCompare

App ID3,338,820

Release date16 Sep 2025

Engine—

Install size1.75 GB

TypeGame

Last update8 Dec 2025

Steam Deck—

DLC0

DeveloperError 300

Changenumber34,951,591

Price—

Packages0

PublisherError 300

SystemsWindows · macOS · Linux

Followers—

Depots3

Compare this game

My Joyful Aquarium

Error 300
Released 16 Sep 2025·App 3338820

Steam user reviews

Positive

93.8%· 32 reviews

Recent —

SteamPeaks Rating

79.8 Positive

Recent 30 days —

How it works

Last seen

Sampled 5 hours ago · not a live figure

—of peak

All-time peak

Feb 2026

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

282 days

Since last public build

8 Dec 2025, 20:45 UTC

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

—

Downloaded in 30 days

Quiet · no builds in 30 days

All 1 builds since 2025 · UTC

When Error 300 ships

Click a cell to filter the builds table

036912151821

My Joyful Aquarium Patches · SteamPeaks

My Joyful Aquarium

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
8 Dec 2025	Mon	20:45	No patch notes · unannounced build	21104419	public	3	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 1 of 1 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

My Joyful Aquarium

When Error 300 ships

My Joyful Aquarium

When Error 300 ships

Patch notes

Builds