How many people are playing Lost Prototype right now?

Lost Prototype is app 3487180 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Lost Prototype?

1 concurrent players on 17 Oct 2026.

When was Lost Prototype released on Steam?

Lost Prototype was released on Steam on 20 Jun 2025.

Status

SteamPeaks

Lost Prototype

GameApp ID 3,487,180by Unsorted GamesReleased 20 Jun 2025

Playing now

All-time peak

11:48 UTC · 31 Oct 2026steampeaks.com

WindowsEngine Unreal Engine 5

View on SteamSteam

App ID3,487,180

Release date20 Jun 2025

EngineUnreal Engine 5

Install size481 MB

TypeGame

Last update6 Jun 2025

Steam DeckUnknown

DLC0

DeveloperUnsorted Games

Changenumber39,323,160

PriceFree

Packages1

PublisherUnsorted Games

SystemsWindows

Followers—

Depots1

Compare this game

Lost Prototype

Unsorted Games
Released 20 Jun 2025·App 3487180

Steam user reviews

Positive

90.0%· 40 reviews

Recent Overwhelmingly Positive · 100%

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Last seen

Sampled 31 minutes ago · not a live figure

—of peak

All-time peak

17 Oct 2026

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

512 days

Since last public build

6 Jun 2025, 11:57 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 2 builds since 2025 · UTC

When Unsorted Games ships

Click a cell to filter the builds table

036912151821

Lost Prototype Patches · SteamPeaks

Lost Prototype

Builds

All public testing

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
6 Jun 2025	Fri	11:57	No patch notes · unannounced build	18765452	public	1	—
30 Jan 2025	Thu	16:05	No patch notes · unannounced build	17106285	testing	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

Lost Prototype

When Unsorted Games ships

Lost Prototype

When Unsorted Games ships

Patch notes

Builds