Project Rhombus

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Project Rhombus is a rhythm-based casual action game that combines exciting electronic music with stylish flat design. Hold on as long as possible, blocking the oncoming arrows moving to the beat.

Developer: SEROSOO
Publisher: PsychoFlux Entertainment
Released: 8 Dec 2017
Price: Free to play
Platforms
Followers: 1,867
Steam Deck: Verified
Languages: English
Controller: Full
Series: PsychoFlux Presents
Age rating: E

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Players on Steam, last 48 hours

No player readings for Project Rhombus 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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Project Rhombus

Players on Steam, last 48 hours

Project Rhombus

Players on Steam, last 48 hours

Players By Month

Players By Month