Protocol 86: Chernobyl
| App ID | 4250500 |
| App Type | Game |
| Developer | Core Interactive |
| Publisher | Core Interactive |
| Supported Systems | Windows |
| Last Changenumber | 39170743 |
| Last Record Update | 24 September 2026 – 17:00:39 UTC ( |
| Release Date | 24 September 2026 – 17:00:34 UTC ( |
A terminal-driven psychological horror puzzle set in a secret Soviet underground research facility built after the 1986 Chernobyl disaster. Survive in procedurally shifting sectors using only the terminal. Type ‘help’ to begin.
Additional Information
| Developer | Core Interactive | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | Core Interactive | |||||||||||||||||||
| Store Release Date | 24 September 2026 – 17:00:36 UTC ( |
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| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Social Media | https://discord.gg/7KaZy4sFfz https://x.com/core_interact https://www.youtube.com/@core-interactive |
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| Primary Genre | Adventure (25) | |||||||||||||||||||
| Store Genres | Adventure (25), Indie (23), Simulation (28), Strategy (2) | |||||||||||||||||||
| Steam Release Date | 24 September 2026 – 17:00:34 UTC ( |
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| Store Asset Modification Time | 12 September 2026 – 00:29:25 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| Content Descriptors | Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||||
| First seen on SteamDB | 11 December 2025 – 13:13:28 UTC ( |
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| Content Descriptors (Including DLC) | Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||||||
Supported Languages
| 20 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | |
| French | Yes | Yes | |
| Italian | Yes | Yes | |
| German | Yes | Yes | |
| Spanish - Spain | Yes | Yes | |
| Simplified Chinese | Yes | Yes | |
| Portuguese - Brazil | Yes | Yes | |
| Dutch | Yes | Yes | |
| Finnish | Yes | Yes | |
| Japanese | Yes | Yes | |
| Korean | Yes | Yes | |
| Spanish - Latin America | Yes | Yes | |
| Polish | Yes | Yes | |
| Hungarian | Yes | Yes | |
| Portuguese - Portugal | Yes | Yes | |
| Romanian | Yes | Yes | |
| Russian | Yes | Yes | Yes |
| Turkish | Yes | Yes | |
| Ukrainian | Yes | Yes | |
| Czech | Yes | Yes |
Tags
Categories
Accessibility Categories
Assets
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| trailer_name | Official Trailer |
| trailer_category | 1 |
| microtrailer ↴ | |
| video/webm | 4250500/759508767/0734a9840d255f44b82fa815a3883c1eb38e035e/1789167884/microtrailer.webm |
| video/mp4 | 4250500/759508767/0734a9840d255f44b82fa815a3883c1eb38e035e/1789167884/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 4250500/759508767/0734a9840d255f44b82fa815a3883c1eb38e035e/1789167884/dash_av1.mpd |
| dash_h264 | 4250500/759508767/0734a9840d255f44b82fa815a3883c1eb38e035e/1789167884/dash_h264.mpd |
| hls_h264 | 4250500/759508767/0734a9840d255f44b82fa815a3883c1eb38e035e/1789167884/hls_264_master.m3u8 |
| screenshot_medium | 257323298/8534c65d7bd8e761aeed1e172928671fdd142a9e/movie_600x337.jpg |
| screenshot_full | 257323298/8534c65d7bd8e761aeed1e172928671fdd142a9e/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 12 September 2026 – 04:50:33 UTC |
