Protocol: Umbra
Release date: 08/05/2026 by cuait
Puzzle • Simulator • Indie
Main story
N/A
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.
Similar games
User activity timeline
User reviews
No users reviewed yet.