How many people are playing Undertale right now?

Undertale has 1,561 players on Steam right now, with a 24-hour peak of 1,771 and an all-time peak of 11,071 on Mar 2025.

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.

Depot ID	Name	Platform	Language	Size on disk	Download size	Current manifest	Status
391541	—	Windows		156 MB	120 MB	—

Undertale

GameApp ID 391,540by tobyfoxReleased 15 Sep 2015

Playing now

1,561

All-time peak

11,071

18:17 UTC · 4 Nov 2026steampeaks.com

App ID391,540

Release date15 Sep 2015

Engine—

Install size480 MB

TypeGame

Last update28 Oct 2019

Steam DeckPlayable

DLC0

Developertobyfox

Changenumber40,569,347

Price$9.99

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

Playing now

1,561

−138 vs. yesterday

14%of peak

All-time peak

11,071

Mar 2025

Depots

Every depot recorded for this app, sized by its current public manifest.

Export

Depot ID	Name	Platform	Language	Size on disk	Download size	Current manifest	Status
391541	—	Windows		156 MB	120 MB	—

Windows · macOS · Linux

Engine —

View on SteamSteamCompare

SteamPeaks.com

4 depots · 480 MB on disk · sizes from the public manifestsView update history