# Project Rhombus

Summer DB entity ID: ab4aa737\-7835\-412c\-a229\-5a25293c603f

Steam App ID: 735570

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\.  Features    Music with sensual beat   Minimalistic graphics   Easy to learn, quite hard to master   100% free\!    in honor of Toby Fox

## Game information

- Type: game

- Developer: SEROSOO

- Publisher: PsychoFlux Entertainment

- Release date: Dec 7, 2017

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Action, Casual, Indie, Free To Play

- Categories: Single\-player, Steam Achievements, Full controller support, Custom Volume Controls, Steam Cloud, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/735570/ss\_fd927aaab1204e345947e998fe32b202b654ce04\.1920x1080\.jpg?t=1774471270, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/735570/ss\_1737b0a719894224778de7f4d0b734b9296ac6be\.1920x1080\.jpg?t=1774471270, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/735570/ss\_3c62c4f3bddb0ac15986d55db228e30eed98444b\.1920x1080\.jpg?t=1774471270, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/735570/ss\_5109dd1acf3ded8fda4670f4aac67ab57e53cc49\.1920x1080\.jpg?t=1774471270, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/735570/ss\_1894d1699e47cd4c18665115dcafeba93a148b7e\.1920x1080\.jpg?t=1774471270, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/735570/ss\_3c86004651a8b0bbe9c098430992e4b779040557\.1920x1080\.jpg?t=1774471270

- Price: 99 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 0

- Steam review count: 1400

- Steam positive reviews: 1297

- Steam negative reviews: 103

- Steam positive percentage: 92.64285714285714%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/ab4aa737-7835-412c-a229-5a25293c603f/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/ab4aa737-7835-412c-a229-5a25293c603f/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-23T05:12:25\.242391\+00:00

- Player count observed: 2026\-09\-23T05:12:26\.528226\+00:00

- Reviews observed: 2026\-09\-23T05:12:26\.273165\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/735570/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/735570/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=735570","reviews":"https://store\.steampowered\.com/appreviews/735570"\},"price":"2026\-09\-23T05:12:25\.242391\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T05:12:25\.242391\+00:00","players":"2026\-09\-23T05:12:26\.528226\+00:00","reviews":"2026\-09\-23T05:12:26\.273165\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"8054d91e\-84a3\-455f\-8128\-49d85a2d47da","catalog":"226a2ddc\-1859\-4a70\-b53f\-c2776ad4088e","details":"2b61a4dd\-5043\-47c2\-bde5\-61f7aadc038f","players":"17de29d8\-04c6\-48f3\-860b\-244fd757824f","reviews":"a53377d5\-80e9\-4191\-862f\-9ce2f2f589b0"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"ab4aa737\-7835\-412c\-a229\-5a25293c603f","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/735570/) · [JSON](/api/v1/games/ab4aa737-7835-412c-a229-5a25293c603f)