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Sphenoid

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Sphenoid

Sep 17, 2025

Main game

4.00 average rating based on 1 rating

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Sphenoid is a horror escape room that takes place in a prison. You wake up to find that everybody has disappeared. As you explore the prison, you will find clues and puzzles that you will need to solve in order to escape.
Release Dates
Sep 17, 2025 Full Release (Worldwide)
PC (Microsoft Windows)
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User Stats
1
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How Long Is Sphenoid?
No playthrough data yet
pixelcrypt
pixelcrypt gave Dec 4, 2025
pixelcrypt gave Dec 4, 2025
Very solid horror escape room game

It’s a pretty rare treat to find a pure escape room style puzzle game in a legitimate horror setting, and Sphenoid nails it. It’s got really great puzzle design, slow-burn horror atmosphere (with occasional intense scares), and a solid prison/hospital setting.

It’s not the most polished game, there’s definitely a pretty low-budget look to some of the animations and characters. But it still manages to satisfy that dark blood-soaked asylum feel.

Pretty much every puzzle is well-made, zero moon logic. The only thing that got me stuck was some hard to see hot points. But otherwise it was a very smooth and engaging escape room puzzle game in my favorite kind of setting! Wish there were way more games like this.