
Game details
Protocol: Umbra
- Release
- May 8, 2026
- Status
- Released
- Platforms
- PC (Microsoft Windows)
- Developer
- cuait
- Publisher
- cuait
- Genres
- Puzzle, Simulator, Indie
- Game modes
- Single player
About the game
Protocol: Umbra is an unsettling, observation-driven psychological horror game inspired by I’m on Observation Duty and FNaF, built in Python with Pygame-CE and powered by my own UI framework, Tessella.
Trailer
Protected YouTube player
Activating it allows YouTube to process technical data and use its own trackers.
Open on YouTubeImages
Related events
Official stores
Partner
Support WPN on Instant Gaming(affiliate link)

