How many people are playing MK1: Definitive Edition Upgrade right now?

MK1: Definitive Edition Upgrade is app 3747600 on Steam. Player counts appear once the tracker has sampled it.

When was MK1: Definitive Edition Upgrade released on Steam?

MK1: Definitive Edition Upgrade was released on Steam on 15 May 2025.

Status

SteamPeaks

MK1: Definitive Edition Upgrade

DlcApp ID 3,747,600by NetherRealm StudiosReleased 15 May 2025

WindowsEngine —

View on SteamSteamCompare

App ID3,747,600

Release date15 May 2025

Engine—

Install size—

TypeDlc

Last update7 Sep 2026

Steam Deck—

DLC0

DeveloperNetherRealm Studios

Changenumber38,627,377

Price$11.99

Packages1

PublisherWarner Bros. Games

SystemsWindows

Followers—

Depots0

Compare this game

MK1: Definitive Edition Upgrade

NetherRealm Studios·Warner Bros. Games
Released 15 May 2025·App 3747600

Steam user reviews

Very Positive

84.2%· 57 reviews

Recent Overwhelmingly Positive · 100%

SteamPeaks Rating

71.7 Positive

Recent 30 days —

How it works

Playing now

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First samples arriving

—of peak

All-time peak

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Tracking since the first sample

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

MK1: Definitive Edition Upgrade 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	MK1: Definitive Edition Upgrade	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 6 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	891 – 8,904	Reviews × k, calibrated on 292 announced figures · How it works	High

MK1: Definitive Edition Upgrade

Steam charts

MK1: Definitive Edition Upgrade

Steam charts

Monthly breakdown

Launch retention

Store data

Owner estimates