How many people are playing Moonbase Alpha right now?

7 people are playing Moonbase Alpha on Steam right now, making it the 8117th most played game on Steam. In the last 24 hours it peaked at 13 players. The number updates every few minutes.

What is Moonbase Alpha's all-time peak player count?

Moonbase Alpha's highest concurrent player count on Steam is 303, reached in August 2012.

Is Moonbase Alpha good? What do Steam reviews say?

90% of 12,873 Steam user reviews are positive (Very Positive).

How much does Moonbase Alpha cost on Steam?

Moonbase Alpha is free to play on Steam.

Does Moonbase Alpha work on Steam Deck?

Moonbase Alpha is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

Moonbase Alpha

by Virtual Heroes, Army Game Studio · published by NASA · Released Jul 6, 2010

Steam Deck PlayableLinux & Deck: Silver

Open in Steam＋ Add to list Compare

Players now

#8,117

▲ 40.0%vs 24h ago · updates every minute

Review score

90% positive

Very Positive12,873 reviews

Owners (est.)1M–2M

24h peak

Highest seen303

Aug 201214.3 years ago

Price on Steam

Free

RisingSteadyFalling

Players +40.0% in the last 24 hoursUpdated 14:08 UTC · tracking since 2012-07-01

Concurrent players

Last 7 days

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Players onlineSteam sale started

Media & details

Screenshots, achievements, specs and price history from Steam.

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Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

Free

Buy

Other authorized stores

No authorized Steam key store lists this game right now.

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Editions and bundles on Steam

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Reviews

90% positive of 12,873 · Very Positive · Live from Steam

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Steam Deck

Works, but may need extra effort. Results from Valve's own testing.

Steam Deck Playable

!Default controller config not fully functional
!Controller glyphs do not match deck device
!Text input does not automatically invokes keyboard
!Native resolution not supported
✓Interface text is legible
✓Default configuration is performant
iExternal controllers not supported primary player

Steam Deck

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Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

Nov 1, 2026, 6:32 AM UTC
Build 8352the current build when we started tracking1.2 GB on Windows

Patch notes

Aug 10, 2010
PatchMoonbase Alpha Update Released
Updates to Moonbase Alpha have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include: * Fix for Player names with spaces not being able join password protected servers; * Fix for Crash when audi…
Jul 14, 2010
PatchMoonbase Alpha Update Released
Updates to Moonbase Alpha have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include: * FIXED - Astronauts can "attach" next to the rover or command center when high latency is present. ;* FIXED…

Other news (4)

Oct 8, 2015
Moonbase Alpha 2!
Are you ready to go back to the moon? Virtual Heroes has announced the Kickstarter to fund the making of Moonbase Alpha 2. New look, same great text-to-speech voice. Help make this a reality! https://www.kickstarter.com/projects/virtualheroes/moonbase-alpha-2-…
Oct 8, 2015
Moonbase Alpha 2!
Are you ready to go back to the moon? Virtual Heroes has announced the Kickstarter to fund the making of Moonbase Alpha 2. New look, same great text-to-speech voice. Help make this a reality! https://www.kickstarter.com/projects/virtualheroes/moonbase-alpha-2-…
Jul 6, 2010
NASA Moonbase Alpha Released
NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha. Utilizing solar en…
Jul 6, 2010
NASA Invites Gamers To Explore Moonbase Alpha
While NASA might not be returning to the real moon any time soon, the virtual moon is anyone's game in Moonbase Alpha, a multiplayer lunar exploration adventure game, now available for free download via Steam. Every day gamers perform feats they never could in…

Patches & builds

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History

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.

Review score: 90% on 2026-11-01 → 90% today (12,873 reviews)

No changes recorded yet.

History

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Trading cards

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Moonbase Alpha player count and quick facts

How many people are playing Moonbase Alpha right now?: 7 people are playing Moonbase Alpha on Steam right now, making it the 8117th most played game on Steam. In the last 24 hours it peaked at 13 players. The number updates every few minutes.
What is Moonbase Alpha's all-time peak player count?: Moonbase Alpha's highest concurrent player count on Steam is 303, reached in August 2012.
Is Moonbase Alpha good? What do Steam reviews say?: 90% of 12,873 Steam user reviews are positive (Very Positive).
How much does Moonbase Alpha cost on Steam?: Moonbase Alpha is free to play on Steam.
Does Moonbase Alpha work on Steam Deck?: Moonbase Alpha is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

Live data from Steam, tracked by SteamPlayerBase.

Store info

NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha.

Developer: Virtual Heroes, Army Game Studio
Publisher: NASA
Release date: Jul 6, 2010
Install size: 2 GB minimum
Platforms: Windows
Genres: Adventure, Simulation, Strategy · All
Steam app ID: 39000

Moonbase Alpha

Key stats

Concurrent players

Media & details

Where to buy

Other authorized stores

Editions and bundles on Steam

Reviews

Steam Deck

Steam Deck

Patches & builds

Patch notes

Patches & builds

History

History

Trading cards

Moonbase Alpha player count and quick facts

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Store info

Moonbase Alpha player count and quick facts

History

Steam Deck

Patches & builds

Patch notes

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