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.
Waiting for HAL Protocol to get cheaper? Name your price and we will email you when it gets there.
Watch this game
Free account, no card. Already have one?
Media
History
2 data points since Aug 1, 2026. Gaps mean nothing changed — the value carries forward.
Lowest recorded price: $4.99 on Aug 1, 2026. That is the current price.