Single-player games like Beyond the Doors
Below are 10 single-player Steam games similar to Beyond the Doors, 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 Beyond the Doors page.
Ranked picks
- 1

Nick's Saturday Morning Games (NSMG)
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Early Access with Beyond the Doors.
Small games to casually play when you wake up before everyone else on a Saturday morning.
- 2

Rollick N' Roll
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie with Beyond the Doors.
Rollick N' Roll combines fun physics with intuitive controls to deliver a joyful puzzle experience for all ages. Explore a collection of marvelous marble runs, with a modern twist.
- 3

ARIJIGOKU
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
A short, narrative-driven 2D pixel art adventure/horror game. Play as Erik, a man lost in grief, as you explore a secluded forest, solve puzzles, and uncover the truth. With multiple endings and deadly choices, curiosity can cost you — so save often.
- 4

Astro Link
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
Astro Link is a Portal-like puzzle game that takes place within the mysterious Astro Link facility. What happened to this place? Will test subject #602 be able to find out?
- 5

Tunnet
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
Build, debug and optimize a computer network in an underground facility.
- 6

DarkHouse
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
This is not a typical corridor horror, but a game in a semi-open world with horror elements. You will have to perform a reverse ritual in a psychiatric clinic in order to banish the creepy Doctor back to Hell! Especially in the Nightmare mode, a real hardcore awaits you!
- 7

The Hope Incident
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
In The Hope Incident, you take on the role of a nighttime supermarket employee. What starts as a regular shift quickly turns into a terrifying test of your skills. Serve suspicious customers, deal with the devastating effects of underground anomalies, and uncover the mysteries of GSO-7.
- 8

Hell Of Nightmares: Chapter 1
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
You have to escape Miss Roseville's school by solving puzzles
- 9

Subnautica
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 10

The Office Void
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
You’re stuck on the night shift. The code refuses to compile, the deadline is on fire, and your mind is no longer yours. To keep from passing out and blowing the entire shift, you have to drink coffee. Lots of it.