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

Ad Infinitum
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Action and Adventure with Hektor.
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
- 2

Amnesia: The Dark Descent
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Action and Indie with Hektor.
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.
- 3

The Backrooms 1998 - Found Footage Survival Horror Game
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Action and Indie with Hektor.
The Backrooms: 1998 is a first-person found footage psychological horror survival game where it tells the story of a young teen after accidentally falling into the depths of The Backrooms in 1998. Roam freely, mark, explore and try unravel the story - however you are not alone. Don't scream.
- 4

Layers of Fear (2016)
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Indie and Adventure with Hektor.
A first-person psychological horror with a strong emphasis on atmosphere and storytelling. Explore an ever-shifting Victorian mansion as a painter seeking to complete his masterpiece, even at the cost of his own sanity.
- 5

Visage
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Action and Indie with Hektor.
Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.
- 6

Outlast
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Action and Indie with Hektor.
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.
- 7

>observer_
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Indie and Adventure with Hektor.
The original first‑person cyberpunk horror detective tale set in a decaying, neon‑scarred future. As an Observer who invades minds to hunt for clues, you will sift through corrupted memories to track down a mysterious killer and confront your own dark past.
- 8

Penumbra: Black Plague Gold Edition
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Action and Indie with Hektor.
Surrounded by enemies and assaulted by terror from all sides, Philip must collect clues and solve vexing puzzles while combating the gnawing psychological terrors that assail his mind and threaten to strip him of his sanity.
- 9

The Stanley Parable
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Indie and Adventure with Hektor.
The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end.
- 10

Quell 4D
Single-player alternative to Hektor — playable solo, no multiplayer required. Shares Action and Indie with Hektor.
A high-octane FPS made specifically for VR. Inspired by mid 90's retro shooters, Quell 4D combines free movement, an arsenal of unique weapons and a lineup of varied enemies and bosses to bring you hours upon hours of fun gunplay.