Single-player games like Mutatio Mentis
Below are 8 single-player Steam games similar to Mutatio Mentis, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Mutatio Mentis page.
Ranked picks
- 1
The Echoes Below
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Indie and Adventure with Mutatio Mentis.
You play as Nick during an ordinary night in West Virginia. After closing his shift, a stranger’s coordinates lead him deeper into the Appalachians, where an abandoned government bunker awaits. The world exists only where sound reaches.
- 2
Crimson Mansion
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Indie and Adventure with Mutatio Mentis.
Uncover the secrets of a forgotten mansion where every room raises new questions. A narrative-driven exploration game full of mystery and atmospheric tension.
- 3
St. Mary's 1985
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Indie and Adventure with Mutatio Mentis.
You wake up on a red chair in the waiting room of a closed psychiatric hospital. You know this place. Clothes that aren't yours. A file with your name you don't remember reading. Your heartbeat rises. The memories come back. Not all of them want to be remembered. St. Mary's, 1985.
- 4
ONTOS
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Action and Indie with Mutatio Mentis.
A sci-fi mystery set on the repurposed moon hotel Samsara. Uncover cryptic experiments, face unsettling encounters, and piece together a mind-bending narrative. The deeper you go, the more the truth unravels as you confront the ultimate question: What is reality?
- 5
Secrets of the Silent School
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Action and Adventure with Mutatio Mentis.
Secrets of the Silent School is a first-person horror game where players control a drone to investigate an abandoned Japanese school. Collect data to uncover the truth hidden within its haunted halls, while using your camera to capture and destroy vengeful ghosts.
- 6
Who am I: Remedy
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Indie and Adventure with Mutatio Mentis.
A found footage horror game where you'll try to remember who you are and escape the time loop while documenting everything on a typewriter.
- 7
INTERSCAPE
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Action and Indie with Mutatio Mentis.
A colossal black sphere has appeared on Earth, trapping humanity in endless dreams. Explore surreal dream worlds, uncover hidden secrets, and awaken those who sleep. In each distinct dream, awaken new abilities and experience unique worlds.
- 8
The Forgotten City
Single-player alternative to Mutatio Mentis — playable solo, no multiplayer required. Shares Indie and Adventure with Mutatio Mentis.
The Forgotten City is a narrative-driven time loop adventure in ancient Rome. Discover the ruins of an ancient underground city, travel 2000 years into the past, and unravel the mystery of who destroyed it by cleverly exploiting the power to wind back time. The fate of the city is in your hands.