Is Moonbase Alpha co-op?

Yes, Moonbase Alpha supports co-op.

Does Moonbase Alpha have PvP?

Steam does not list PvP for Moonbase Alpha.

Do we both need to own Moonbase Alpha to play together?

Yes. Moonbase Alpha is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Moonbase Alpha?

About 3 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Simulation › Job & management sim

Is Moonbase Alpha multiplayer or co-op?

Yes — co-op. Moonbase Alpha is a job & management sim game released in 2010, 91% positive on Steam (12,838 reviews), with 3 playing right now. Free on Steam.

Co-opSingle-player tooSimulation · Job & management sim

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…

How Moonbase Alpha plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
Single-player mode: Yes

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Space, Simulation, Free to Play, Multiplayer, Online Co-Op, Funny, Memes, Strategy

Do you and a friend both own Moonbase Alpha?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Moonbase Alpha is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

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Tired of Moonbase Alpha? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Moonbase Alpha co-op?: Yes, Moonbase Alpha supports co-op.
Does Moonbase Alpha have PvP?: Steam does not list PvP for Moonbase Alpha.
Do we both need to own Moonbase Alpha to play together?: Yes. Moonbase Alpha is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Moonbase Alpha?: About 3 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass