| Release Date | 5/24/2026 |
| Developer | Entropy Cat Studio |
| Publisher | Entropy Cat Studio |
| Steam App Id | 4604180 |
1 Players In-Game
Player Score
50
1
1
Platforms
- Windows
- Mac
- Linux
Free In the Steam Store
Once Upon DLC
Once Upon has 1 downloadable add-on available for purchase on Steam which is Once Upon: Kaleo-7 Cyber Explorer.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Once Upon: Kaleo-7 Cyber Explorer | DLC | 5/31/2026 | Steam Charts |
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Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Once Upon data has been sourced from:
- Valve Corporation. (2026, May 25). Once Upon on Steam. Steam Store.
- Valve Corporation. (2026, May 25). Once Upon. Steam Community Hub.