How many people are playing Moonbase Alpha right now?

Moonbase Alpha is app 39000 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Moonbase Alpha?

303 concurrent players on Aug 2012.

When was Moonbase Alpha released on Steam?

Moonbase Alpha was released on Steam on 6 Jul 2010.

Status

SteamPeaks

Moonbase Alpha

GameApp ID 39,000by Army Game StudioReleased 6 Jul 2010

WindowsEngine —

View on SteamSteamCompare

App ID39,000

Release date6 Jul 2010

Engine—

Install size1.11 GB

TypeGame

Last update5 Sep 2026

Steam DeckPlayable

DLC0

DeveloperArmy Game Studio

Changenumber37,432,492

PriceFree

Packages1

PublisherNASA

SystemsWindows

Followers—

Depots1

Compare this game

Moonbase Alpha

Army Game Studio·NASA
Released 6 Jul 2010·App 39000

Steam user reviews

Very Positive

90.5%· 12.9K reviews

Recent —

SteamPeaks Rating

78.0 Positive

Recent 30 days —

How it works

Last seen

Sampled 19 minutes ago · not a live figure

—of peak

All-time peak

303

Update history

A permanent record of every observed change.

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Moonbase Alpha Update History · SteamPeaks

5 Sep 2026

07:02:13PICSPublic manifest changed+132——#37,432,492

Recorded change · 5 Sep 2026, 07:02:13 UTCView all 132

Status	Key	Previous value	New value
Added	Client iconcommon.clienticon	—	65680457ddfa87b2757ed06b1724a18f64986a4b
Added	Client TGAcommon.clienttga	—	97a4893e8c2e5b63bb9bb02a4f14df2083222dbb
Added	Header imagecommon.header_image.english	—	header.jpg
Added	Iconcommon.icon	—	24b18829c461e2db0a9962ce0aaeb5dfa3d381d8
Added	Logocommon.logo	—	f1fb92ce13eaf2464c90d6fab9750b9912cc2be7
Added	small_capsule · englishcommon.small_capsule.english	—	capsule_231x87.jpg

Raw values