How many people are playing Old Ninja : UnderWorld right now?

Old Ninja : UnderWorld is app 3968810 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Old Ninja : UnderWorld?

0 concurrent players on 13 Sep 2026.

When was Old Ninja : UnderWorld released on Steam?

Old Ninja : UnderWorld was released on Steam on 19 Sep 2025.

Status

SteamPeaks

Old Ninja : UnderWorld

GameApp ID 3,968,810by Waterfall StudioReleased 19 Sep 2025

WindowsEngine —

View on SteamSteamCompare

App ID3,968,810

Release date19 Sep 2025

Engine—

Install size519 MB

TypeGame

Last update24 Sep 2025

Steam Deck—

DLC0

DeveloperWaterfall Studio

Changenumber34,988,649

Price—

Packages0

PublisherWaterfall Studio

SystemsWindows

Followers—

Depots1

Compare this game

Old Ninja : UnderWorld

Waterfall Studio
Released 19 Sep 2025·App 3968810

Steam user reviews

Not enough reviews yet

2 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Last seen

Sampled 3 hours ago · not a live figure

—of peak

All-time peak

13 Sep 2026

Full details

Everything about Old Ninja : UnderWorld

Export CSVUpdated 7 Sep 2026, 17:35 UTC

Identity

Name

Old Ninja : UnderWorld

App ID

3,968,810

Type

Game

Developer

Waterfall Studio

Publisher

Waterfall Studio

Franchise

—

Availability

Release date

19 Sep 2025

Last update

24 Sep 2025, 11:28 UTC · 12 months ago

Last changenumber

34,988,649

Early Access

Family sharing

Eligible

Store page

None

Prices

Old Ninja : UnderWorld Full Details · SteamPeaks