Sphenoid — Steam game overview

Stored observation / content update: 2026-10-25T13:57:42.000Z

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.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.