How many people are playing Train Simulator: Union Pacific Big Boy Loco Add-On right now?

Train Simulator: Union Pacific Big Boy Loco Add-On is app 208361 on Steam. Player counts appear once the tracker has sampled it.

When was Train Simulator: Union Pacific Big Boy Loco Add-On released on Steam?

Train Simulator: Union Pacific Big Boy Loco Add-On was released on Steam on 23 Nov 2012.

Status

SteamPeaks

Train Simulator: Union Pacific Big Boy Loco Add-On

DlcApp ID 208,361by Dovetail GamesReleased 23 Nov 2012

WindowsEngine —

Simulation

View on SteamSteamCompare

Steam charts

Playing now

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24-hour peak

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All-time peak

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30-day average

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Rank right now

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Waiting for the first sampleData by SteamPeaks.com

24h

Train Simulator: Union Pacific Big Boy Loco Add-On Charts · SteamPeaks

Tracking since since today

Launch retention

Open in Compare—

Launch retention needs samples from the first day after release. SteamPeaks started sampling this app since today; the curve appears for launches tracked from their unlock.

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Now · of launch peak

Days above 1,000,000 in 2026

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Weekend peak this week

Milestone	Train Simulator: Union Pacific Big Boy Loco Add-On	Genre median
Launch peak	—	—
Hour 1	—	—
Hour 24	—	—
Hour 72	—	—
Day 7	—	—
Now	—	—

Daily peak · last 14 days	Peak

Estimates · not Steam data

Owner estimates

Calibrated 9 Sep 2026

Every figure here is derived, shown as a range, and links to its method. Steam does not publish owner counts.

Source	Estimated owners	Method	Confidence
SteamPeaks	1,644 – 16,944	Reviews × k, calibrated on 480 announced figures · How it works	Low

Train Simulator: Union Pacific Big Boy Loco Add-On

Steam charts

Train Simulator: Union Pacific Big Boy Loco Add-On

Steam charts

Monthly breakdown

Launch retention

Store data

Owner estimates