How many people are playing Moon Observatory Iris right now?

Moon Observatory Iris has 1 players on Steam right now, with a 24-hour peak of 2 and an all-time peak of 2 on 10 Sep 2026.

What is the all-time peak player count of Moon Observatory Iris?

2 concurrent players on 10 Sep 2026.

When was Moon Observatory Iris released on Steam?

Moon Observatory Iris was released on Steam on 1 May 2021.

Status

SteamPeaks

Moon Observatory Iris

GameApp ID 1,598,220by batensanReleased 1 May 2021

View on SteamSteamCompare

App ID1,598,220

Release date1 May 2021

Engine—

Install size699 MB

TypeGame

Last update17 May 2025

Steam Deck—

DLC1

Developerbatensan

Changenumber38,264,221

Price—

Packages0

Publisherbatensan

SystemsWindows · macOS · Linux

Followers—

Depots1

Compare this game

Moon Observatory Iris

batensan
Released 1 May 2021·App 1598220

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+1 vs. yesterday

50%of peak

All-time peak

10 Sep 2026

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

481 days

Since last public build

17 May 2025, 00:11 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 batensan ships

Click a cell to filter the builds table

036912151821

Moon Observatory Iris Patches · SteamPeaks

Moon Observatory Iris

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
17 May 2025	Sat	00:11	No patch notes · unannounced build	18498637	public	1	—

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

Moon Observatory Iris

When batensan ships

Moon Observatory Iris

When batensan ships

Patch notes

Builds