HAL Protocol

Your shift aboard the HIS 01 Echo is finally over. The return shuttle awaits you in Compartment 9. All that's left is to walk there. But the corridor to Compartment 9 loops endlessly. Each time, something shifts. Uncover the mystery. Escape the impossible.

Developer: The Last Semicolon Dev.

Tags: Simulation, Walking Simulator, Psychological Horror, First-Person.

Price: $4.99.

Released 2025-06-23.

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