62%Good matchSpecies: Unknown
94%12k94% positive reviews, Very Positive across 12k reviews·Horror · First-Person
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Spectral Protocol is a psychological horror game where you’re trapped in a mysterious facility. Play solo or in two-player co-op, find hidden buttons, and escape terrifying creatures. Danger is everywhere ! will you survive or become another lost test subject?
Spectral Protocol
Steam
Spectral Protocol is a psychological horror game that takes you into a dark and mysterious world. You are a test subject trapped in a strange facility, where danger and fear are everywhere.
Whether you play solo or with a partner in online co-op, you must find hidden buttons to unlock the way forward, avoid traps, and survive terrifying creatures. The story is filled with secrets and twists, and every decision counts.
Can you survive, or will you become another lost test subject?
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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