Developer Manin Studios
Publisher ZNT Productions
Steam App Id 4219890

Lost Sanity: Cthulhu

On Halloween night, a group of teens tells horror stories, and each one comes to life in Lost Sanity. In the first chapter, Call of the Sea, you play as Megan Claire, trapped in an underground prison while cultists awaken a marine entity; slip through shadows, follow clues, and guard your sanity.

Last Updated: 3/15/2026

Platforms
  • Windows
  • Mac
  • Linux

About Lost Sanity: Cthulhu

Lost Sanity: Cthulhu is an Adventure, Action, and Indie game developed by Manin Studios. It was released on the Steam Store by ZNT Productions.

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, Lost Sanity: Cthulhu supports the following features:

  • Single-player
  • Family Sharing
  • Steam Achievements

Media & Sceenshots

Watch the featured video for Lost Sanity: Cthulhu and see the latest screenshots from the Steam Store.

Lost Sanity: Cthulhu Featured Screenshot #1

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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.

Lost Sanity: Cthulhu data has been sourced from:

  • Valve Corporation. (2026, March 15). Lost Sanity: Cthulhu on Steam. Steam Store.
  • Valve Corporation. (2026, March 15). Lost Sanity: Cthulhu. Steam Community Hub.

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