Single-player games like Somnicore
Below are 8 single-player Steam games similar to Somnicore, 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 Somnicore page.
Ranked picks
- 1

Aerocore
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Adventure with Somnicore.
Aerocore is a liminal walking simulator about the future they promised you and never arrived. Explore the corporation's simulation environments in this atmospheric experience. Alter the architecture by solving puzzles in impossible spaces and lose yourself in nostalgic aesthetics.
- 2

PhobLack
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Action and Adventure with Somnicore.
"I'm here to stay. But if I don't assert my presence, no one will notice me." PhobLack is a horror adventure game in which you explore a haunted ruin. In a dark and enclosed mansion, restore the ability to communicate with the outside world in order to call for rescue.
- 3

Paradise's Secrets
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Action and Adventure with Somnicore.
After accepting the invitation from the Paradise company following the events we've experienced, nothing on our journey may turn out as we expect. You must be very careful to uncover all the mystery and reveal the truth. Learn everything and expose the true face of the Paradise company.
- 4

Yindy
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Adventure and Casual with Somnicore.
A non-linear horror game: carry items, solve puzzles, enjoy the music, explore unique atmospheres in each map, and savor your time walking through a mysterious, dark, and intriguing world...
- 5

Paranormal place
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Adventure with Somnicore.
Alex is a blogger who explores places with paranormal phenomena. At the request of his subscribers, he goes to an abandoned place where, according to rumors, some creepy things were noticed. What is happening there? You have to find it out.
- 6

The Backrooms: Forsaken
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Action and Adventure with Somnicore.
What would you do if you were trapped in a dimension of seemingly endless rooms that went on for eternity?
- 7

Platform 8
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Adventure with Somnicore.
You are trapped on a train that runs forever. Keep an eye out for anomalies and find a way out.
- 8

Shadows of Taumiel
Single-player alternative to Somnicore — playable solo, no multiplayer required. Shares Adventure with Somnicore.
First-person horror game that includes several genres such as stealth, platforming and exploration.