How many people are playing Heart-Lung Machine right now?

Heart-Lung Machine is app 3103480 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Heart-Lung Machine?

0 concurrent players on 17 Sep 2026.

When was Heart-Lung Machine released on Steam?

Heart-Lung Machine was released on Steam on 11 Nov 2024.

Status

SteamPeaks

Heart-Lung Machine

GameApp ID 3,103,480by Hermann HetzerReleased 11 Nov 2024

Playing now

All-time peak

11:59 UTC · 17 Sep 2026steampeaks.com

WindowsEngine —

View on SteamSteamCompare

App ID3,103,480

Release date11 Nov 2024

Engine—

Install size4.23 GB

TypeGame

Last update22 Feb 2025

Steam Deck—

DLC0

DeveloperHermann Hetzer

Changenumber38,951,168

Price$3.99

Packages0

PublisherSchreckstoff

SystemsWindows

Followers—

Depots1

Compare this game

Heart-Lung Machine

Hermann Hetzer·Schreckstoff
Released 11 Nov 2024·App 3103480

Steam user reviews

Mostly Positive

78.6%· 28 reviews

Recent Overwhelmingly Positive · 100%

SteamPeaks Rating

43.4 Mixed

Recent 30 days —

How it works

Last seen

Sampled 2 hours ago · not a live figure

—of peak

All-time peak

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

571 days

Since last public build

22 Feb 2025, 23:58 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 2 builds since 2025 · UTC

When Hermann Hetzer ships

Click a cell to filter the builds table

036912151821

Heart-Lung Machine Patches · SteamPeaks

Heart-Lung Machine

Builds

All public beta

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
22 Feb 2025	Sat	23:58	No patch notes · unannounced build	17469727	public	1	—
22 Feb 2025	Sat	22:17	No patch notes · unannounced build	17469727	beta	1	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 2 of 2 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Heart-Lung Machine

When Hermann Hetzer ships

Heart-Lung Machine

When Hermann Hetzer ships

Patch notes

Builds