Moonbase Alpha

Cooperative moonbase repair simulation with a ticking oxygen deadline

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

Reviews: Very Positive; 90% of 14K
Recent reviews: Very Positive; 93% of 15 in 30 days
Players: 8; daily peak, Nov 7, 2026
Steam Deck: Playable
Last update on Steam: Unknown; no patch notes on Steam
Minimum PC: 7000-series; 2 GB RAM · 2 GB disk; Full requirements

What is Moonbase Alpha?

Moonbase Alpha is a simulation game set at a lunar outpost. After a meteorite damages life support, you use repair tools and robots and transport supplies by rover to restore oxygen production. You can play alone or with a team of up to six, and your completion time determines your leaderboard score.

For you if...

+you like coordinating time-sensitive repairs with friends
+you enjoy joking around through text-to-speech chat

Not for you if...

−you want fast movement and varied tasks
−you prefer story progression to a focused repair objective

What players say

90% of 14,117 reviews are positive · 93% of 15 in the last 30 days

Players praise the humor of text-to-speech chat with friends, but complain about slow movement, repetitive repairs, and limited variety. Some say they cannot find other players online.

Screenshots and trailer

Moonbase Alpha system requirements

Minimum: 7000-series, 2 GB RAM, 2 GB of disk space.

As published by the developer.

Can my PC run Moonbase Alpha?

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Minimum

OS: Win XP SP3
Processor: 2.0+ GHZ Single Core Processor
Graphics: NVIDIA 7000-series or ATI Radeon X1900 Video Card
Memory: 2 GB of System RAM
Storage: 2 GB of Free Hard Drive Space

Does Moonbase Alpha have co-op or multiplayer?

Yes: co-op (mode not specified). It also has a single-player mode.

Does Moonbase Alpha run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Native resolution not supported
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Text only: English.

Does Moonbase Alpha use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam