How many people are playing Undertale right now?

Undertale has 1,559 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.

When was Undertale released on Steam?

Undertale was released on Steam on 15 Sep 2015.

Undertale

3 announcements · from Undertale’s Steam news feed

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Everything Updates1 Community2

Game update20 Jan 2016UNDERTALE Updated. Steam Client Beta Issues ReminderUNDERTALE was updated on Steam to fix bugs and increase compatibility. However, now the Mac version may crash every time you hold ESC to quit. It has no gameplay effect, but doesn't look good. This is a known bug inherent to Gamemaker (software I use) that can't be fixed until it's updated. Will fix it as soon as possible. If the update causes your game to NOT work or you like bugs, revert to o…Community20 Jan 2016Steam Client Beta Update Compatibility Issues + Patch SoonThe latest version of Steam Client Beta seems to have compatibility issues with UNDERTALE on some Windows computers. If UNDERTALE's suddenly stopped launching, try reverting to the normal version of the Steam Client. Menu Steam -> Settings -> Beta Subscription Community29 Oct 2015Official UNDERTALE Merch Now Available for PreorderHey guys. You can pre-order official UNDERTALE merchandise now. There are some shirts, stickers, and a poster. Will let you all know when we add even more. Here on Fangamer. Go Hog Wild

Nothing of this kind for this game.

Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.