How many people are playing Flat 9 right now?

Flat 9 has 0 players on Steam right now, with a 24-hour peak of 0 and an all-time peak of 0 on 6 Sep 2026.

What is the all-time peak player count of Flat 9?

0 concurrent players on 6 Sep 2026.

When was Flat 9 released on Steam?

Flat 9 was released on Steam on 18 Mar 2025.

25,444,359 on Steam▼ 3,234,304 6,702,065 in-gameTop now Counter-Strike 2 521,728PICS #38,657,265425 builds todaySale Steam PvE Survival Crafting Festends 7 Sep Sampled 7 Sep 2026, 05:04 UTC

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Flat 9 Depots · SteamPeaks

Apps›Flat 9›Depots

Flat 9

GameApp ID 3,510,310by Alessandro ArcangeliReleased 18 Mar 2025

WindowsEngine —

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App ID3,510,310

Release date18 Mar 2025

Engine—

Install size3.13 GB

TypeGame

Last update20 Mar 2025

Steam Deck—

DLC0

DeveloperAlessandro Arcangeli

Changenumber34,961,816

Price—

Packages0

PublisherAlessandro Arcangeli

SystemsWindows

Followers—

Depots1

Flat 9

Alessandro Arcangeli
Released 18 Mar 2025·App 3510310

Steam user reviews

Positive

100.0%· 30 reviews

Recent Overwhelmingly Positive · 100%

SteamPeaks Rating

85.7 Very positive

Recent 30 days —

How it works ›

Playing now

Sampling since 13:10 UTC

—of peak

All-time peak

6 Sep 2026

Updated 7 hours agoData by

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Metadata Packages DLC Depots1 Requirements Install size Configuration Cloud saves

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Depots1 Overview Price history Charts Patches Events Reviews Audience Estimates Availability Metadata Packages DLC Requirements Install size Configuration Cloud saves Achievements Community Media Related apps Update history Store history Full details

1 depots · 3.13 GB on disk

Depots

Sizes from the public manifests

Depot ID	Name	OS	Language	Size	Download
3510311	—	windows	—	3.13 GB	2.96 GB

updated this weeklargest depotshared from another app