How many people are playing Under The Island right now?

Under The Island has 2 players on Steam right now, with a 24-hour peak of 8 and an all-time peak of 338 on Feb 2026.

What is the all-time peak player count of Under The Island?

338 concurrent players on Feb 2026.

When was Under The Island released on Steam?

Under The Island was released on Steam on 17 Feb 2026.

Status

SteamPeaks

Under The Island

GameApp ID 1,583,520by Slime King GamesReleased 17 Feb 2026

WindowsEngine —

View on SteamSteamCompare

App ID1,583,520

Release date17 Feb 2026

Engine—

Install size537 MB

TypeGame

Last update1 Apr 2026

Steam Deck—

DLC0

DeveloperSlime King Games

Changenumber37,447,702

Price—

Packages0

PublisherTop Hat Studios, Inc.

SystemsWindows

Followers—

Depots1

Compare this game

Under The Island

Slime King Games·Top Hat Studios, Inc.
Released 17 Feb 2026·App 1583520

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

−2 vs. yesterday

0.6%of peak

All-time peak

338

Feb 2026

Update cadence · public branch

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PICS live

160 days

Since last public build

1 Apr 2026, 22:57 UTC

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

—

Downloaded in 30 days

Quiet · no builds in 30 days

All 1 builds since 2026 · UTC

When Slime King Games ships

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0369121518

Under The Island Patches · SteamPeaks

Under The Island

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
1 Apr 2026	Wed	22:57	No patch notes · unannounced build	22610233	public	1	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 1 of 1 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Under The Island

When Slime King Games ships

Under The Island

When Slime King Games ships

Patch notes

Builds