72%Strong matchInfliction
82%76482% positive reviews, Very Positive across 764 reviews·Horror · Psychological Horror
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A weaponless psychological thriller. Become trapped in the dark simulation within Gabriel’s mind after surviving a deadly plane crash. Run, hide, and piece together your memories to wake from this dystopian nightmare before Protocol 66 is activated.

Runway: 66 is a psychological horror and sci-fi investigation experience where reality itself is the primary suspect.
You play as Gabriel, designated Subject 66 a man declared dead after a catastrophic plane crash, only to awaken inside a classified, government-backed simulation. Something has gone wrong. The world glitches. Memories contradict themselves. And a protocol known only as “Protocol 66” is actively reshaping your consciousness.
You are not merely trapped. You are being studied.
To escape, you must become the investigator of your own fractured mind uncovering who built the simulation, why your memories were altered, and what happens when a human subject begins to remember too much.

🔍 Evidence Gathering in a Fractured Reality Explore seven distinct, atmospheric chapters from abandoned airport terminals to hidden military installations buried beneath layers of false reality. Collect classified documents, environmental clues, and experimental records that expose a government conspiracy and genetic experiments tied directly to the Malevolent Madness universe.
🧩 Cognitive Deduction & Simulation Puzzles The simulation is imperfect and those imperfections are your greatest weapon. Identify logical inconsistencies, environmental glitches, and temporal loops to solve puzzles rooted in psychological trauma and corrupted system architecture. Progress requires actively connecting the dots between memory fragments and the world’s distorted logic.
📓 Fragmented Memory Analysis Found notes, distorted recordings, and whispered voices act as your internal case file. Every shifting hallway and whispered name is a clue. Analyze the recurring presence of “Maryam” to understand her patterns and her unsettling connection to your identity.
👁️ Surveillance & Strategic Stealth A dynamic AI entity observes, adapts, and manipulates the simulation around you. There is no direct confrontation. Survival depends on understanding the system’s rules, tracking behavioral patterns, and exploiting technical flaws through stealth and environmental awareness.
🎭 Decision-Driven Deductions Your choices are not moral they are diagnostic. Each decision permanently alters Gabriel’s mental state and the simulation’s response, leading to multiple investigative conclusions: Awakening, Truth, or Eternal Surrender.

Terminal 66 exists for one reason: You chose to forget.
Will you uncover the evidence needed to remember who you really are or will you remain forever cataloged as Subject 66 in a classified experiment that never ends?
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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