Sphenoid
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…
Sphenoid is an adventure, released 17 September 2025 on PC (Microsoft Windows).
What Sphenoid is
Sphenoid was released in 2025. It is available on PC (Microsoft Windows) only.
The premise, in the publisher's words
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.
How it plays
It is played from a first person perspective. It is a single-player game with no multiplayer component.
What it launched against
Sphenoid launched on 17 September 2025, within three weeks of Ghost of Yotei, Hollow Knight: Silksong, Metal Gear Solid Delta: Snake Eater and Silent Hill f.
Released around the same time: Ghost of Yotei, Hollow Knight: Silksong, Metal Gear Solid Delta: Snake Eater, Silent Hill f.
Official trailer
Sourced from the publisher’s YouTube channel.
Screenshots
All media
Quick answers
Sphenoid — frequently asked questions
When did Sphenoid come out?
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