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Moonbase Alpha
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
What reviewers agree on
12 of the 64 reviews raise this.
“Goofy Artemis aah videogame. 10/10”
“It is Very Fun”
“Not bad as for the space walking simulator where you need to also repair your Moon base in the process. NASA's imagined timeline of establishing a base on said extraterrestrial rock by 2025 is about as realistic…”
8 of the 64 reviews raise this · 2 of them still recommend the game.
“Not bad as for the space walking simulator where you need to also repair your Moon base in the process. NASA's imagined timeline of establishing a base on said extraterrestrial rock by 2025 is about as realistic…”
“really boring and slow i dont know why gay people love it so much”
“Too slow to be enjoyable.”
3 of the 64 reviews raise this · 2 of them still recommend the game.
“Unfortunately, this game is dead. I couldn't find any match anymore...”
“Not bad as for the space walking simulator where you need to also repair your Moon base in the process. NASA's imagined timeline of establishing a base on said extraterrestrial rock by 2025 is about as realistic…”
Counted across 64 English reviews, sampled to match this game's 90.5% positive rating · as of 2026-05-20
“Another 100 billion dollars to NASA please”
— a player, Steam review · 0 hrs played“Opened this game again to see if anyone remembers it. No one is playing. Am sad. Where is my John Madden? :(”
— a player, Steam review · 8 hrs played“John Madden John Madden, aeiouaeiouaeiouaeiouaeiouaeiouaeiouaeiouaeiouaeiou, ebrbrbrbrbrbrbrbrbrbrbr ebrbrbrbrbrbrbrbrbrbrbr, AIDS!, ?!?!?!?!?!?!?!?!?!, uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu, holla holla get $, hahaha, aeiou, 9999999999999999999999999999999999, mark!,…”
— a player, Steam review · 3 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 11:46 UTC · history via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
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://
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://
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Adventure, Simulation, Strategy |
| Player tags | Space · Simulation · Free to Play · Multiplayer · Online Co-Op · Funny · Memes · Strategy · Adventure · Open World · Walking Simulator · Co-op (SteamSpy community voting) |
| Features | Single-player · Multi-player · Co-op · Valve Anti-Cheat enabled · Stats · Steam Leaderboards |
| Languages | English |
| Estimated owners | 1,000,000 – 2,000,000 (SteamSpy) |
| Official site | http://www.nasa.gov/moonbasealpha |
Minimum system requirements (PC)
Minimum OS *: Win XP SP3 Processor: 2.0+ GHZ Single Core Processor Memory: 2 GB of System RAM Graphics: NVIDIA 7000-series or ATI Radeon X1900 Video Card DirectX®: DirectX 9.0c Hard Drive: 2 GB of Free Hard Drive Space Sound: DirectX 9.0c compliant audio