Project Rhombus
Developed by SEROSOO · Published by PsychoFlux Entertainment
At a glance
Overview
An action, casual, indie game by SEROSOO, published by PsychoFlux Entertainment — single-player.
Steam’s own one-line description: “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/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Project Rhombus.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows Vista / 7
- Processor: 1 GHz 32-bit or 64-bit processor
- Memory: 1 GB RAM
- Graphics: CPU-integrated or on-board graphics
- DirectX: Version 11
- Storage: 120 MB available space
- Sound Card: DirectX-compatible sound card
Supported languages (1)
Project Rhombus FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Project Rhombus?
Steam classifies Project Rhombus as a Action, Casual, Indie, Free To Play game, developed by SEROSOO. 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.
How much does Project Rhombus cost?
As of June 2026, Steam lists Project Rhombus at $0.74. Prices and regional pricing change — check the Steam page for the current figure.
Is Project Rhombus single-player or multiplayer?
Steam lists these modes for Project Rhombus: Single-player. It lists a single-player mode.
Is Project Rhombus on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Project Rhombus for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Project Rhombus out yet?
Yes — Steam lists a release date of Dec 7, 2017.
What platforms is Project Rhombus on?
Project Rhombus is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Project Rhombus single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Project Rhombus cost?
Steam lists it at $0.74.
Does Project Rhombus have achievements?
Yes — Steam lists 4 achievements for Project Rhombus.
Who made Project Rhombus?
Project Rhombus is developed by SEROSOO and published by PsychoFlux Entertainment.
Where to get Project Rhombus
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, PsychoFlux Entertainment.