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.
Psychological HorrorHorrorHackingSurvival HorrorCold WarPuzzleThrillerTypingExplorationAlternate History
AI generated certain 3D models, 2D visuals and the intro video; the content was reviewed and edited.
Music & SFXPartial
AI tools generated some audio, which was reviewed and edited.
TranslationPartial
AI tools were used for localization; the content was reviewed and edited.
Not used, per the developer
None
Not mentioned
In-game AICodeVoiceWritingMarketing
Read the full disclosureQuoted from the Steam store page
This game uses generative AI tools to create certain 3D models, 2D visuals, audio, localization, and the intro video. All content has been reviewed and edited.
CorePartialAssistPlaceholder
Players · earnings · audience
Growth
Playing now124h peak 1Steam · hourly
Earnings—Too few reviews to estimate fromList price $6.99
Steam followers73Tracking since Sep 23, 2026Steam · public
Steam reviews—No reviews yetSteam · public
No earnings estimate yet. Estimates start once a game has at least 10 Steam reviews to count.
Players online
Last 7 days, hourly · now 1 · 24h peak 1
Collecting dataGameDB started tracking this game on Sep 23, 2026. The chart fills in as hourly snapshots arrive; the latest reading is 1.
Steam followers
73 now · Daily snapshot of public Steam data
Collecting dataGameDB started tracking this game on Sep 23, 2026. The chart fills in as daily snapshots arrive; the latest reading is 73.
Why it’s here: Launched today · 1 players at peak. Released games rank by momentum: peak players over 24 hours, growth against the previous days and new reviews, with a launch boost that fades over the first week. Released and upcoming games are charted separately; estimates and stars are never mixed in.
Made by
Developer
CI
Core Interactive
Developer on Steam
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Shares AI uses or genres with Protocol 86: Chernobyl
Protocol 86: Chernobyl
