Castronauts

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Castronauts is a 2D co-op extraction game about hauling alien fish out of dangerous worlds. Assemble a team of up to 6 players to fish together, explore procedurally generated areas, and survive encounters with hostile creatures before the planet collapses around you.

Developer: Moon Egg Studios
Released: Coming soon
Price: Paid
Platforms

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Players on Steam, last 48 hours

No player readings for Castronauts in the last 48 hours yet. We poll this game every 30 days.

How this is measured

Player counts over time, as we observed them.

Counts people running the game through Steam only. Players on other stores, consoles or launchers are not included.
We poll the busiest games every 15 minutes and quiet ones as rarely as once a month, so a short spike between polls can be missed. Each game shows how often it is polled.
Our player history starts on 19 October 2026. Earlier peaks, including launch peaks, are not in our data.

Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology

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