How many people are playing Ninon the Upside-Down Mermaid right now?

Ninon the Upside-Down Mermaid is app 4789210 on Steam. Player counts appear once the tracker has sampled it.

Status

SteamPeaks

Ninon the Upside-Down Mermaid

GameApp ID 4,789,210Released —

—Engine —

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App ID4,789,210

Release date—

Engine—

Install size—

TypeGame

Last update10 Sep 2026

Steam Deck—

DLC0

Developer—

Changenumber38,752,170

Price—

Packages0

Publisher—

Systems—

Followers—

Depots0

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Ninon the Upside-Down Mermaid

Released —·App 4789210

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

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First samples arriving

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All-time peak

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Tracking since the first sample

Update cadence · public branch

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Since last public build

No public build seen yet

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Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

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Downloaded in 30 days

Quiet · no builds in 30 days

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When it ships

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Ninon the Upside-Down Mermaid Patches · SteamPeaks

Ninon the Upside-Down Mermaid

Builds

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Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
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public branch · shipped todayother branchwide buildhas patch notes

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Ninon the Upside-Down Mermaid

When it ships

Ninon the Upside-Down Mermaid

When it ships

Patch notes

Builds