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

Dark Past
Single-player alternative to Gluua — playable solo, no multiplayer required. Shares Indie with Gluua.
Dark Past is based on psychological horror by paranormal activity occurring during your investigations. Play solo or up to 4 players to try and solve the mystery of what entity is left behind.
- 2

Whisper Of The Curse
Single-player alternative to Gluua — playable solo, no multiplayer required. Shares Indie with Gluua.
"Whisper of the Curse" is a 4-player online co-op psychological horror game where you and your team will perform various rituals and spells to eliminate the curse and fend off cursed entities. At the same time, you'll need to avoid being hunted by these malevolent entities.
- 3

LockYourDoor
Single-player alternative to Gluua — playable solo, no multiplayer required.
Challenging co-op horror (1-4 players). You are looking for your missing friend Darvin. Do whatever it takes to stay alive. Only the patient and the clever will succeed.
- 4

Phasmophobia
Single-player alternative to Gluua — playable solo, no multiplayer required. Shares Indie with Gluua.
Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.
- 5

Clink
Single-player alternative to Gluua — playable solo, no multiplayer required. Shares Indie and Simulation with Gluua.
You are a lonely woman, secluded in a house with your cat... and the secrets of the past. What hides within your mind — illness, or something otherworldly? Nightmares and reality intertwine… everything is so foggy. Do you have the courage to remember what happened?
- 6

Demonologist
Single-player alternative to Gluua — playable solo, no multiplayer required. Shares Indie with Gluua.
Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.
- 7

Lost Lullabies: The Orphanage Chronicles
Single-player alternative to Gluua — playable solo, no multiplayer required. Shares Indie with Gluua.
"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.
- 8

iBLiS
Single-player alternative to Gluua — playable solo, no multiplayer required. Shares Indie and Simulation with Gluua.
Demon is a first-person psychological horror game. How much can a game affect your real life? Enjoy a realistic home environment and terrifying moments of being immersed in a real-life story.