RONNARIUM

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An aquarium where a huge tank called "RONNARIUM" is on display. There is a rumor that if one enters the aquarium at night, he or she will be "divinely bewitched". A girl named "Yocto" hears the rumor and visits the aquarium to confirm the truth.

Developer: ハルナノミウチ
Released: 2 Dec 2023
Price: $1.99
Platforms

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Players on Steam, last 48 hours

No player readings for RONNARIUM 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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RONNARIUM

Players on Steam, last 48 hours

Players on Steam, last 48 hours

Players By Month

RONNARIUM

Players By Month