Protocol 86: Chernobyl
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.
Last Updated: 4/21/2026
| Developer | Core Interactive |
| Publisher | Core Interactive |
| Steam App Id | 4250500 |
Protocol 86: Chernobyl
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.
Last Updated: 4/21/2026
- Windows
- Mac
- Linux
About Protocol 86: Chernobyl
Protocol 86: Chernobyl is an Adventure, Indie, Simulation, and Strategy game developed by Core Interactive. It was released on the Steam Store by Core Interactive.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Protocol 86: Chernobyl supports the following features:
- Single-player
- Stereo Sound
- Playable without Timed Input
- Camera Comfort
- Family Sharing
Media & Sceenshots
Watch the featured video for Protocol 86: Chernobyl and see the latest screenshots from the Steam Store.
Discover Similar Games
Find a new game to play just like Protocol 86: Chernobyl through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Protocol 86: Chernobyl.
Genres
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Protocol 86: Chernobyl data has been sourced from:
- Valve Corporation. (2026, April 21). Protocol 86: Chernobyl on Steam. Steam Store.
- Valve Corporation. (2026, April 21). Protocol 86: Chernobyl. Steam Community Hub.
- Core Interactive. (2026, March 1). Protocol 86: Chernobyl. Protocol 86: Chernobyl.