Single-player games like Betrayer
Below are 11 single-player Steam games similar to Betrayer, 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 Betrayer page.
Ranked picks
- 1

Slender: The Arrival
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Indie with Betrayer.
Slender Man returns more terrifying than ever. You're on your own. No one to help you. No one to hear you scream. Relive the horror all over again with cutting edge visuals for the 10th Anniversary Update and experience survival horror at its finest.
- 2

Metro Exodus
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action with Betrayer.
Flee the shattered ruins of the Moscow Metro and embark on an epic, continent-spanning journey across the post-apocalyptic Russian wilderness. Explore vast, non-linear levels, lose yourself in an immersive, sandbox survival experience, and follow a thrilling story-line that spans an entire year in the greatest Metro adventure yet.
- 3

Greyhill Incident
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Indie and Adventure with Betrayer.
This story-driven Survival-Horror game is about a classic Alien-Invasion which takes place during the early 90s. As Ryan Baker, equipped with a baseball bat and a few bullets in his revolver, the story takes you across the atmospheric neighborhood of Greyhill which is invaded by UFOs & Grey Aliens.
- 4

Outlast
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Indie with Betrayer.
Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.
- 5

Bleak Faith: Forsaken
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Indie with Betrayer.
Explore the last remnants of civilization in this vast, unforgiving, and interconnected world. Learn what is left of its history. Discover pockets of natural life in the perpetually expanding Omnistructure. Lose yourself in a journey unlike any other. Find your purpose in the world.
- 6

Absolute Fear -AOONI- / 最恐 -青鬼-
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Indie with Betrayer.
20 years after the birth of the legendary horror game "AOONI"... A completely new first-person, 3D horror stealth action "Absolute Fear -AOONI-" is now available! Players take on the role of a younger sister searching for her older sister in a mysterious mansion where AOONI roam.
- 7

Sir, You Are Being Hunted
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Indie with Betrayer.
Sir, You Are Being Hunted is a freedom sandbox stealth experience, where each playthrough is unique, thanks to our British Countryside Generator. Escape from these robot-infested islands with violence, trickery and stealth. This brutally funny game is available for Windows, OSX, and Linux.
- 8

ROUTINE
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Indie with Betrayer.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
- 9

F.E.A.R.
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action with Betrayer.
Experience the original F.E.A.R. along with F.E.A.R. Extraction Point and F.E.A.R. Perseus Mandate.
- 10

SILENT HILL 2
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Adventure with Betrayer.
Investigating a letter from his late wife, James returns to where they made so many memories - Silent Hill. What he finds is a ghost town, prowled by disturbing monsters and cloaked in deep fog. Confront the monsters, solve puzzles, and search for traces of your wife in this remake of SILENT HILL 2.
- 11

Blood Red
Single-player alternative to Betrayer — playable solo, no multiplayer required. Shares Action and Indie with Betrayer.
Blood Red is a co-op survival horror game that can be played with 1-4 players. Figure out the demon and banish it using your special demon hunting kit!