HAL Protocol
| App ID | 3726440 |
| App Type | Game |
| Developer | The Last Semicolon Dev |
| Publisher | The Last Semicolon Dev |
| Supported Systems | Windows |
| Technologies | Unity Engine |
| Last Changenumber | 29901938 |
| Last Record Update | 4 July 2025 – 17:12:33 UTC ( |
| Release Date | 23 June 2025 – 17:25:50 UTC ( |
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.
Additional Information
| Developer | The Last Semicolon Dev | |||||||||||||||||||
| controller_support | full | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | The Last Semicolon Dev | |||||||||||||||||||
| Store Release Date | 23 June 2025 – 17:25:53 UTC ( |
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| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Primary Genre | Indie (23) | |||||||||||||||||||
| Store Genres | Indie (23), Simulation (28) | |||||||||||||||||||
| Steam Release Date | 23 June 2025 – 17:25:50 UTC ( |
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| Store Asset Modification Time | 29 May 2025 – 11:42:32 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| Detected Technologies (?) | Unity Engine, UnityBurst SDK, UnityIL2CPP SDK | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 6 May 2025 – 10:07:03 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes |
Tags
Categories
Hardware Categories
Accessibility Categories
Assets
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| trailer_name | HAL Protocol Trailer |
| trailer_category | 3 |
| trailer_480p ↴ | |
| video/webm | 257136628/movie480_vp9.webm |
| video/mp4 | 257136628/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257136628/movie_max_vp9.webm |
| video/mp4 | 257136628/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3726440/753823053/ee8daaeb1ae7ea4ccae1396f15e921d78b5ec0cc/1750394329/microtrailer.webm |
| video/mp4 | 3726440/753823053/ee8daaeb1ae7ea4ccae1396f15e921d78b5ec0cc/1750394329/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3726440/753823053/ee8daaeb1ae7ea4ccae1396f15e921d78b5ec0cc/1750394329/dash_av1.mpd |
| dash_h264 | 3726440/753823053/ee8daaeb1ae7ea4ccae1396f15e921d78b5ec0cc/1750394329/dash_h264.mpd |
| hls_h264 | 3726440/753823053/ee8daaeb1ae7ea4ccae1396f15e921d78b5ec0cc/1750394329/hls_264_master.m3u8 |
| screenshot_medium | 257136628/cfa031bf78cbdb630118be05dccf61c45ca9f393/movie_600x337.jpg |
| screenshot_full | 257136628/cfa031bf78cbdb630118be05dccf61c45ca9f393/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 14 May 2025 – 18:58:54 UTC |
Builds
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