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
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