Released Dec 7, 2017
Free Very Positive
Project Rhombus
By SEROSOO · published by PsychoFlux Entertainment
Followers
—
Reviews
1,400
Very Positive
Players yesterday
0
at the busiest moment
Owners
100K–200K
estimated
Steam data
Everything Steam lists for Project Rhombus · record updated 23 hours ago
Overview
App ID735570
Release dateDec 7, 2017Early Access Jan 1, 1970
Last change number40062413
Last record update23 hours ago
App info
- App type
- Game
- Developer
- SEROSOO
- Publisher
- PsychoFlux Entertainment
- Steam profile
- Counts toward game count and achievement totals · checked Nov 1, 2025
- Franchise
- PsychoFlux Presents
Languages
1 · 0 with full audio| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes |
Platforms
Windows
- Steam Deck
- Verified
- Controller
- Full support
Features
5
Single-playerSteam AchievementsSteam CloudFamily SharingFull controller support
Related apps
Patches
Builds
2| Build | Branch | Updated |
|---|---|---|
| 2890523 | non-steam | Jul 11, 2018 |
| 2890516 | public | Jul 11, 2018 |
Packages & DLC
Packages
3DLCs
1| ID | Name | Price (US) |
|---|---|---|
| 765750 | Not on the store yet | — |
Depots
Depots
1| ID | Name | Systems | Size | Download | Manifest |
|---|---|---|---|---|---|
| 735571 | — | Windows | 119.8 MB | 94.4 MB | 6225619985582953931 |
Branches
2| Branch | Build | Updated | Access |
|---|---|---|---|
| public | 2890516 | Jul 11, 2018 | Open |
| non-steam | 2890523 | Jul 11, 2018 | Open |
Configuration
Install foldersteamapps/common/Project Rhombus
Launch options
1| Executable | Arguments | Systems | Description |
|---|---|---|---|
| Project_Rhombus.exe | Windows |
Cloud saves
Space per player976.6 KB
Filesup to 2
Save locations2
| Root | Path | Pattern | Systems |
|---|---|---|---|
| WinAppDataLocal | Project_Rhombus | *.dat | Windows |
| WinAppDataLocal | Project_Rhombus | *.sav | Windows |
Achievements
Achievements40 hidden
Most unlocked32.2%Easy 60"
Rarest5.5%Expert 60"
Global unlock rate
share of players who have it-
Easy 60"
Score the record of 60 sec. on Easy difficulty
-
Normal 60"
Score the record of 60 sec. on Normal difficulty
-
Hard 60"
Score the record of 60 sec. on Hard difficulty
-
Expert 60"
Score the record of 60 sec. on Expert difficulty
Screenshots
Update history
Changes to the Steam record
since we started watching-
Oct 25, 2026 · 14:14 #40062413
- appid removed
- common.ReleaseState added released
- common.releasestate removed
Data from public Steam pages, updated daily; 2 days of history. Owner counts are estimates. LaunchRivals is not affiliated with Valve or Steam.