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Sphenoid header art

Sphenoid

Sphenoid is a first-person horror escape game set in a dark, oppressive prison. Explore, uncover clues, solve challenging puzzles, and survive the terrifying secrets that lurk around every corner.

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Developer
Publisher
Release
September 17, 2025
319 days ago
Steam Reviews
Positive35 reviews85.7%

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Game contextLatest: IGF Team
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Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Sphenoid and Kileka Games funded?FundingThe known source of funding behind the game.
Updated: Jul 14, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.

Media

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About the Game

You wake up in your cell on the same night The Warlock is executed in the electric chair. Before dying, he said he would take everyone with him… except the one who had this strange object. Did he keep his promise? Will you survive the horrors unleashed after his death?

Sphenoid is a horror escape room game set in a prison full of secrets. Solve puzzles, find clues, and discover what happened to the other prisoners.

The game combines dark, oppressive atmosphere, challenging puzzles, and an immersive story. Every corner of the prison hides secrets… and dangers that will test your wits and courage.

Features:

  • Expertly designed puzzles: Every challenge is logical, satisfying, and challenging.

  • Exploration and discovery: Roam the prison, open cells, access secret areas, and find hidden clues.

  • Immersive story: Uncover what happened to the other prisoners and unravel the mysteries of the prison.

  • Terrifying atmosphere: Flickering lights, haunting shadows, and eerie sounds create constant tension.

Explore the prison

Find objects and clues

Solve puzzles