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.
We are not affiliated with IsThereAnyDeal.
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.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.
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.
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.
We are not affiliated with IsThereAnyDeal.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.
