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Protocol 86: Chernobyl

Wishlist Follow Ignore Launch Unwatch Watch
App ID 4250500
App Type Game
Developer
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 ()
❓ 68.15%
8 reviews
0
In-Game
🕴 Psychological Horror 😱 Horror 🔌 Hacking 🎒 Survival Horror ☢️ Cold War

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 ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/7KaZy4sFfz
https://x.com/core_interact
https://www.youtube.com/@core-interactive
Primary Genre Adventure (25)
Store Genres Adventure (25), Indie (23), Simulation (28), Strategy (2)
Steam Release Date 24 September 2026 – 17:00:34 UTC ()
Store Asset Modification Time 12 September 2026 – 00:29:25 UTC () (1789172965)
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width_pct49.954317039744176
height_pct100
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 (), in changelist #32736264
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

🕴 Psychological Horror 😱 Horror 🔌 Hacking 🎒 Survival Horror ☢️ Cold War 🧩 Puzzle 🔪 Thriller ⌨️ Typing 🗺 Exploration 🕰️ Alternate History 📜 Historical 🤫 Mystery 📼 1990's 🔍 Investigation 👩 Female Protagonist 🌫 Atmospheric 📚 Story Rich 💻 Programming 🔄 Replay Value 🌎 Immersive Sim

Categories

Single-player Steam Achievements Family Sharing Steam is learning

Accessibility Categories

Camera Comfort Stereo Sound

Assets

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page_background_pathapp/4250500
last_modified24 September 2026 – 17:00:35 UTC
timestamp24 September 2026 – 17:00:35 UTC

Trailer 1165419 ↴

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trailer_category 1
microtrailer ↴
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adaptive_trailers ↴
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all_ages true
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timestamp 12 September 2026 – 04:50:33 UTC

Store Packages

SubID Name Price Last Update
1487788 Protocol 86: Chernobyl $4.89 at -30% 24 September 2026 – 17:22:08 UTC

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