How many people are playing Core Defense – Mastery Expansion right now?

Core Defense – Mastery Expansion is app 1563040 on Steam. Player counts appear once the tracker has sampled it.

When was Core Defense – Mastery Expansion released on Steam?

Core Defense – Mastery Expansion was released on Steam on 19 Mar 2021.

Status

SteamPeaks

Core Defense – Mastery Expansion

DlcApp ID 1,563,040by ehmprahReleased 19 Mar 2021

View on SteamSteamCompare

App ID1,563,040

Release date19 Mar 2021

Engine—

Install size—

TypeDlc

Last update7 Sep 2026

Steam Deck—

DLC0

Developerehmprah

Changenumber26,201,212

Price—

Packages0

Publisherehmprah

SystemsWindows · macOS · Linux

Followers—

Depots0

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Core Defense – Mastery Expansion

ehmprah
Released 19 Mar 2021·App 1563040

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

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

Full details

Everything about Core Defense – Mastery Expansion

Export CSVUpdated 7 Sep 2026, 17:14 UTC

Identity

Name

Core Defense – Mastery Expansion

App ID

1,563,040

Type

Dlc

Developer

ehmprah

Publisher

ehmprah

Franchise

—

Availability

Release date

19 Mar 2021

Last update

7 Sep 2026, 17:14 UTC · 4 days ago

Last changenumber

26,201,212

Early Access

Family sharing

Eligible

Store page

None

Prices

Core Defense – Mastery Expansion Full Details · SteamPeaks