Single-player games like The Tartarus Key
Below are 13 single-player Steam games similar to The Tartarus Key, 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 The Tartarus Key page.
Ranked picks
- 1
Home
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
Home is a unique horror adventure set in a beautifully-realized pixel world. It’s a murder mystery with a twist—because you decide what ultimately happens.
- 2
Dead Take
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
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.
- 3
Static Dread: The Lighthouse
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
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!
- 4
Zero Escape: The Nonary Games
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
Kidnapped and taken to an unfamiliar location, nine people find themselves forced to participate in a diabolical Nonary Game by an enigmatic mastermind called Zero. Why were they there? Why were they chosen to put their lives on the line? And more importantly, who can be trusted?
- 5
The Bridge Curse 2: The Extrication
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
Try to escape with your life in a first-person survival horror adventure. Play through the eyes of four distinct characters as you evade and confront terrifying ghosts, unravel mind-bending puzzles, and unearth a sinister conspiracy…
- 6
Observation
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.
- 7
Oxenfree
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
Oxenfree is a supernatural thriller about a group of friends who unwittingly open a ghostly rift. You are Alex, and you’ve just brought your new stepbrother Jonas to an overnight island party gone horribly wrong.
- 8
CLeM
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
CLeM is a narrative-driven puzzle adventure game with a dark twist. Wake up in a world where puzzles intertwine with exploration, weaving a unique narrative rooted in alchemy. A voice awakens you. It gives you purpose. To guide you, you find a notebook with mysterious entries and a house to explore.
- 9
Resident Evil
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 10
Myst
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
Welcome to Myst: a starkly beautiful island, eerily tinged with mystery and shrouded in intrigue. Built from the ground up to play in 2D & VR, explore Myst in a whole new dimension! Journey to the Ages, unravel puzzles, and be a part of the surrealistic adventure that will become your own.
- 11
SILENT HILL 2
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required. Shares Adventure with The Tartarus Key.
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.
- 12
Tangrams Deluxe
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required.
A tangram is a Chinese logic puzzle in which you must fit seven pieces into a target shape without any overlapping. Enjoy solving over 200 deceptively simple puzzles in Tangrams Deluxe!
- 13
Yuso
Single-player alternative to The Tartarus Key — playable solo, no multiplayer required.
Yuso is a puzzle game where you have to clear the screen of Yuso! The game gets harder as you progress, introducing new colours and gadgets to help or harm you along the way.