How many people are playing Undertale right now?

Undertale has 2,787 players on Steam right now, with a 24-hour peak of 3,902 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.

Undertale was released on Steam on 15 Sep 2015.

Every change SteamPeaks has recorded · decoded, with the original values

7 events

5 Sep 20262 events

07:02:1342 hours agoBuild773677 · old_version_100 branch · 2 depots changed

Change	Depot	Before	After
manifest	Depot 391541	—	575437337347761479
manifest	Depot 391542	—	7847924398771778209

07:02:1342 hours agoChangelist38,523,397 · 5 other branches · 4 depots · store metadata · assets · launch options · cloud saves · localization+214

Change	Key	Before	After
Branches · 17
added	Build ID on old_version_100depots.branches.old_version_100.buildid	—	773677
added	Build time on old_version_100depots.branches.old_version_100.timebuildupdated	—	14 Sep 2015, 11:33:07 UTC1442230387
added	Build ID on old_version_101depots.branches.old_version_101.buildid	—	1599214
added	Build time on old_version_101depots.branches.old_version_101.timebuildupdated	—	30 Jan 2017, 17:11:50 UTC1485796310
added	Updated time on old_version_101depots.branches.old_version_101.timeupdated

28 Oct 20191 event

00:38:467 years agoBuild4279148 · public branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 391541	—	3413030246586915448
manifest	Depot 391542	—	1593483711954100372
manifest	Depot 391544	—	5730345506996883260

11 Oct 20191 event

14:21:017 years agoBuild4279148 · version_108_64_bit_test_same_savefile branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 391541	—	3413030246586915448
manifest	Depot 391542	—	1593483711954100372
manifest	Depot 391544	—	5730345506996883260

8 Oct 20191 event

02:09:107 years agoBuild4265914 · version_108_64_bit_test_alt_savefile branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 391541	—	3413030246586915448
manifest	Depot 391542	—	6253581098170971348
manifest	Depot 391544	—	5730345506996883260

17 Nov 20171 event

20:05:509 years agoBuild2294584 · win10_lagfix_test_01 branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 391541	—	3413030246586915448
manifest	Depot 391542	—	4521696948752145321
manifest	Depot 391544	—	4158826204037412912

22 Aug 20171 event

01:38:189 years agoBuild1599214 · old_version_101 branch · 3 depots changed

Change	Depot	Before	After
manifest	Depot 391541	—	5255923026656777152
manifest	Depot 391542	—	4762643141790803131
manifest	Depot 391544	—	3991795236625517204

Showing 1–7 of 7 events