How many people are playing Marathon Closed Technical Test right now?

Marathon Closed Technical Test is app 3547690 on Steam. Player counts appear once the tracker has sampled it.

Status

SteamPeaks

Marathon Closed Technical Test

BetaApp ID 3,547,690Released —

Playing now

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All-time peak

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WindowsEngine —

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App ID3,547,690

Release date—

Engine—

Install size16.4 GB

TypeBeta

Last update22 Oct 2025

Steam Deck—

DLC0

Developer—

Changenumber39,181,323

Price—

Packages0

Publisher—

SystemsWindows

Followers—

Depots14

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Marathon Closed Technical Test

Released —·App 3547690

Steam user reviews

Mixed

67.0%· 285 reviews

Recent —

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

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First samples arriving

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All-time peak

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Tracking since the first sample

Update history

A permanent record of every observed change.

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Marathon Closed Technical Test Update History · SteamPeaks