How many people are playing Undertale right now?

Undertale is app 391540 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Undertale?

11,071 concurrent players on Mar 2025.

When was Undertale released on Steam?

Undertale was released on Steam on 15 Sep 2015.

Status

SteamPeaks

Undertale

GameApp ID 391,540by tobyfoxReleased 15 Sep 2015

Playing now

1,417

All-time peak

11,071

02:41 UTC · 30 Oct 2026steampeaks.com

App ID391,540

Release date15 Sep 2015

Engine—

Install size480 MB

TypeGame

Last update28 Oct 2019

Steam DeckPlayable

DLC0

Developertobyfox

Changenumber40,317,434

Price$2.49

Packages1

Publishertobyfox

SystemsWindows · macOS · Linux

Followers398,846

Depots4

Compare this game

Undertale

tobyfox
Released 15 Sep 2015·App 391540

Steam user reviews

Overwhelmingly Positive

96.5%· 345.1K reviews

Recent Overwhelmingly Positive · 97%

SteamPeaks Rating

96.5 Overwhelmingly positive

Recent 30 days 95.9

How it works

Last seen

1,417

Sampled 15 minutes ago · not a live figure

—of peak

All-time peak

11,071

Mar 2025

Full details

Everything about Undertale

Export CSVUpdated 28 Oct 2026, 16:18 UTC

Identity

Name

Undertale

App ID

391,540

Type

Game

Developer

tobyfox

Publisher

tobyfox

Franchise

—

Availability

Release date

15 Sep 2015

Last update

28 Oct 2019, 00:38 UTC · 7 years ago

Last changenumber

40,317,434

Early Access

Family sharing

Eligible

Store page

Yes

Prices

Current price

Undertale Full Details · SteamPeaks