How many people are playing Undertale + Deltarune Song Pack right now?

Undertale + Deltarune Song Pack is app 3955770 on Steam. Player counts appear once the tracker has sampled it.

When was Undertale + Deltarune Song Pack released on Steam?

Undertale + Deltarune Song Pack was released on Steam on 18 Dec 2025.

Status

SteamPeaks

Undertale + Deltarune Song Pack

DlcApp ID 3,955,770by Holy Wow Studios LLCReleased 18 Dec 2025

Windows · macOSEngine —

View on SteamSteamCompare

App ID3,955,770

Release date18 Dec 2025

Engine—

Install size225 MB

TypeDlc

Last update19 Mar 2026

Steam Deck—

DLC0

DeveloperHoly Wow Studios LLC

Changenumber37,477,494

Price—

Packages0

PublisherHoly Wow Studios LLC

SystemsWindows · macOS

Followers—

Depots3

Compare this game

Undertale + Deltarune Song Pack

Holy Wow Studios LLC
Released 18 Dec 2025·App 3955770

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

—of peak

All-time peak

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Tracking since the first sample

Steam charts

Playing now

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24-hour peak

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All-time peak

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30-day average

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Rank right now

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Waiting for the first sampleData by SteamPeaks.com

24h

Undertale + Deltarune Song Pack Charts · SteamPeaks

Tracking since since today

Launch retention

Open in Compare—

Launch retention needs samples from the first day after release. SteamPeaks started sampling this app since today; the curve appears for launches tracked from their unlock.

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Now · of launch peak

Days above 1,000,000 in 2026

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Weekend peak this week

Milestone	Undertale + Deltarune Song Pack	Genre median
Launch peak	—	—
Hour 1	—	—
Hour 24	—	—
Hour 72	—	—
Day 7	—	—
Now	—	—

Daily peak · last 14 days	Peak

Estimates · not Steam data

Owner estimates

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Every figure here is derived, shown as a range, and links to its method. Steam does not publish owner counts.

Source	Estimated owners	Method	Confidence
SteamPeaks	Fewer than 50 reviews: not estimated	Reviews × k, calibrated on announced figures · How it works	—

Undertale + Deltarune Song Pack

Steam charts

Undertale + Deltarune Song Pack

Steam charts

Monthly breakdown

Launch retention

Store data

Owner estimates