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

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.
- 2

Dishwashing Simulator
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required.
A short, unique survival-farming-base-building-tycoon-horror game where you must survive through washing dishes. Explore mysterious depths, manage resources, and unravel a cryptic narrative. In DWS, a chore becomes a journey to freedom.
- 3

Dream Cage
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Adventure with Beyond the Doors.
Robert battles early Alzheimer's and nightly sleep paralysis. Each night reveals fragments of his past. Uncover the truth and help him solve the mysteries haunting his mind.
- 4

Static Dread: The Lighthouse
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
Lovecraft meets Papers, Please. Play as a lighthouse keeper and guide ships safely into the harbor using your radio. Survive the presence of something impossible, and don’t let the shadows consume you!
- 5

Paragnosia
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
Observe every corner of your apartment by moving your camera along a rail that runs through the rooms. Find and take pictures of paranormal anomalies to exorcise them. Locked in your surveillance room, will you survive tonight's 8 rounds?
- 6

Dead Take
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
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.
- 7

Project Silverfish
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Indie and Adventure with Beyond the Doors.
Explore a hostile, living world: Uncover forgotten horrors, both man-made and supernatural, as you hunt for powerful weapons and exotic artifacts.
- 8

Lunar Eclipse
Single-player alternative to Beyond the Doors — playable solo, no multiplayer required. Shares Adventure and Early Access with Beyond the Doors.
Explore dark locations, solve puzzles, and uncover a gripping story. Fight or evade bloodthirsty zombies using wit and agility. Immerse yourself in a tense adventure with a charming blonde heroine in a chilling, atmospheric world.
- 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.