How many people are playing Boss Key right now?

Boss Key has 0 players on Steam right now, with a 24-hour peak of 1 and an all-time peak of 2 on 6 Sep 2026.

What is the all-time peak player count of Boss Key?

2 concurrent players on 6 Sep 2026.

When was Boss Key released on Steam?

Boss Key was released on Steam on 14 Aug 2026.

Status

SteamPeaks

Boss Key

GameApp ID 4,086,590by Institute of Card Game StudiesReleased 14 Aug 2026

WindowsEngine —

View on SteamSteamCompare

App ID4,086,590

Release date14 Aug 2026

Engine—

Install size1.92 GB

TypeGame

Last update5 Sep 2026

Steam DeckUnknown

DLC0

DeveloperInstitute of Card Game Studies

Changenumber38,626,678

Price$9.99

Packages0

PublisherInstitute of Card Game Studies

SystemsWindows

Followers—

Depots1

Compare this game

Boss Key

Institute of Card Game Studies
Released 14 Aug 2026·App 4086590

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

+0 vs. yesterday

0.0%of peak

All-time peak

6 Sep 2026

Steam user reviews · 0 written

Updated 3 days ago

SteamPeaks Rating

New

Needs ten reviews

Positive share

—No user reviews

Last 30 days

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No reviews in the last 30 days

Played before writing

—

Sampling starts with the review poller

Reviews per day

—

From Valve’s daily histogram

How sentiment moved · share of new reviews that were positive

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Boss Key Reviews · SteamPeaks

Boss Key

Boss Key

Who is reviewing

Review history