How many people are playing Uncle Otto's Mansion right now?

Uncle Otto's Mansion has 0 players on Steam right now, with a 24-hour peak of 1 and an all-time peak of 1 on 9 Sep 2026.

What is the all-time peak player count of Uncle Otto's Mansion?

1 concurrent players on 9 Sep 2026.

When was Uncle Otto's Mansion released on Steam?

Uncle Otto's Mansion was released on Steam on 16 Jun 2026.

Status

SteamPeaks

Uncle Otto's Mansion

GameApp ID 4,766,420by HenanoReleased 16 Jun 2026

WindowsEngine —

View on SteamSteamCompare

App ID4,766,420

Release date16 Jun 2026

Engine—

Install size210 MB

TypeGame

Last update10 Jul 2026

Steam DeckUnknown

DLC1

DeveloperHenano

Changenumber38,586,619

PriceFree

Packages0

PublisherHenano

SystemsWindows

Followers—

Depots1

Compare this game

Uncle Otto's Mansion

Henano
Released 16 Jun 2026·App 4766420

Steam user reviews

Positive

93.9%· 33 reviews

Recent Positive · 94%

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+0 vs. yesterday

0.0%of peak

All-time peak

9 Sep 2026

Update cadence · public branch

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PICS live

61 days

Since last public build

10 Jul 2026, 00:57 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 2026 · UTC

When Henano ships

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0369121518

Uncle Otto's Mansion Patches · SteamPeaks

Uncle Otto's Mansion

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
10 Jul 2026	Fri	00:57	No patch notes · unannounced build	24062783	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

Uncle Otto's Mansion

When Henano ships

Uncle Otto's Mansion

When Henano ships

Patch notes

Builds