HAL Protocol
Short description
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
- Publisher
- The Last Semicolon Dev
- Release
- Mon, Jun 23, 2025
- Price
- $4.99
- Reviews
- 0
- Positive
- n/a
- Followers
- 14
- Owners (estimated)
- 0 – 20K
- Concurrent players
- n/a
- Genres
- Indie, Simulation
- Features
- Full controller support, Camera Comfort, Custom Volume Controls, Playable without Timed Input, Stereo Sound
- Tags
No revenue estimate: this needs both a review count and a launch price, and at least one of them is missing.
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Media
History
Tracking started Oct 25, 2026. Charts appear once there is more than one data point — nothing has changed since.
1 data points going back to Aug 1, 2026 lie outside the 90-day window of your plan. Plus shows the complete history.