Single-player games like OYASUMII
Below are 8 single-player Steam games similar to OYASUMII, 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 OYASUMII page.
Ranked picks
- 1
KEROGEN
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Indie and Adventure with OYASUMII.
Dredge up corpses from an oil-drenched nightmare. Lost at sea, the small crew of the 𝐀𝐓𝐋𝐀𝐒 calls for aid. Elmsfire dances in the clouds above while black beasts stir in the waves beneath. Take your meds. Hold your breath. The black sea won't let go.
- 2
Red Door Ylw Door
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Indie and Adventure with OYASUMII.
Red Door Yellow Door is a first-person psychological horror game. Starting with what seems like a normal ritual but quickly revealing its sinister nature. Beware, something malevolent lurks in the shadows.
- 3
Those Who Remain
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Indie and Adventure with OYASUMII.
As the lights go out, the embers of darkness are stoked in the sleepy town of Dormont. Confront uncomfortable horrors, keep your sanity in check and survive the night in this story-driven first-person psychological-thriller.
- 4
Vlad Circus: Descend Into Madness
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Indie and Adventure with OYASUMII.
Vlad Circus: Descend into Madness puts your sanity to the test, challenging you to escape a labyrinth of nightmares and torment. Test your mind against a slow burn of puzzles, light survival mechanics, and methodical action.
- 5
Dead Take
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Indie and Adventure with OYASUMII.
Find your missing friend. Uncover the secrets within. Brave a luxurious and haunting mansion in Dead Take, a first-person psychological horror crafted by Surgent Studios.
- 6
MADiSON VR
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Action and Indie with OYASUMII.
MADiSON VR now plunges you even deeper into its immersive and terrifying world. With the utilization of an instant camera in your virtual hands, bridge the gap between our world and the unknown. Snap photos, develop them by yourself to solve puzzles, explore the shadows and above all, survive.
- 7
Dread X Collection 2
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Action and Indie with OYASUMII.
Explore 12 horror games made in 10 days connected by a meta narrative experience you didn't expect. Step into a world of darkness and discover the secrets you didn't know were right beneath the surface. Find the tapes and unlock the mystery inside the Dread X Collection 2.
- 8
Lost in Vivo
Single-player alternative to OYASUMII — playable solo, no multiplayer required. Shares Indie with OYASUMII.
A horror game about claustrophobia. During a storm your service dog is forced down a broken sewer drain. You find the nearest sewer entrance and run in after it. Along the way you will meet others that are also stricken by abnormal or psychological fear.