Games like The Tartarus Key
by Vertical Reach
There’s no way out for Alex Young who wakes up to find herself locked in a strange mansion filled with puzzles, traps, and cameras following her every move. Whether she and her companions live or die, and find the truth behind their abduction, is up to you in this first-person mystery thriller.
View on Steam · $19.99 →
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
Closest matches
-20%$7.99Escape the Backrooms
Oct 23 · Fancy Games, Blackbird Interactive
Both: Horror · Psychological Horror · First-Person
Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.
HorrorMultiplayerOnline Co-OpPsychological HorrorCo-opSurvival HorrorFirst-PersonEscape RoomExplorationAdventure👍 137,469
$19.99The Scourge | Tai Ương
Mar 28 · Rare Reversee, Beaztek
Both: Horror · Multiple Endings · Exploration
Explore the nightmarish lucid dreams of Nhat Huy to solve his family's mystery. Set in 90s Saigon, navigate dilapidated corridors, solve mind-bending puzzles, and uncover sinister secrets. Can you survive the twisting maze and The Scourge?
HorrorSingleplayerSupernaturalMultiple EndingsExplorationFirst-PersonIndieRealisticAdventurePuzzle👍 1,195
$7.99Backrooms Media
Dec 16 · NPK Games
Both: Psychological Horror · Horror · First-Person
Backrooms Media is a 1-4 player co-op horror that plunges you into unsettling, hyper-realistic liminal spaces. Navigate eerie environments filled with lurking horrors. Group up with your friends to face the terror of the endless backrooms together and... try to escape.
Co-opMultiplayerCasualPsychological HorrorHorrorOnline Co-OpSurvival HorrorFirst-PersonExplorationSingleplayer👍 546
-20%$5.59United Heist: Facility Zero
3 days ago · No more Sleep
Both: Escape Room · Puzzle · Multiple Endings
A co-op puzzle heist for two. One of you breaks into a secret bunker. The other sits in the observation office, watching the bunker. A walkie-talkie is your only link. Talk to each other and find out how good your teamwork really is.
Co-opCo-op CampaignEscape RoomPuzzleAdventureCasualMysteryMultiple EndingsAbstractStylized
$9.99SILENT BREATH
Aug 20 · EXODIAC STUDIOS
Both: Horror · Psychological Horror · First-Person
Unpredictable horrors lurk around every corner, forcing you to find the missing people while desperately clinging to survival. In this experience even your own mind can become your enemy. Stay vigilant and keep your voice hushed, or risk becoming another victim of the forest's darkness
HorrorPsychological HorrorThriller1990'sRealisticMultiplayerDarkFirst-PersonExplorationEarly Access👍 1,125
Free正体 SHOUT-AI
Jun 20 · 852話
Both: Psychological Horror · Choices Matter · Multiple Endings
Walk through a broken game with Yoka in this psychological horror visual novel. Move dialogue windows, peer through fragmented images, and read records no one answers. What you touch, preserve, or leave behind shapes your conversations and leads to six endings.
Visual NovelPsychological HorrorStory RichChoices MatterMultiple EndingsAtmosphericChoose Your Own AdventureInteractive FictionCute2D
-25%$5.24Ashworth
2 days ago · MR ROCK
Both: Horror · Psychological Horror · Puzzle
Something has been waiting for you. Explore a forgotten place buried beneath the earth, solve twisted puzzles, and piece together a dark story one clue at a time. But the deeper you go, the more it wakes. Survive what hunts you, or become part of Ashworth's story.
HorrorPsychological HorrorSurvival HorrorPuzzleIndieAtmosphericAdventureStory RichExplorationWalking Simulator
-20%$9.59lily's world XD
3 days ago · SonderingEmily
Both: Psychological Horror · Puzzle · Choices Matter
Lily was an ordinary teenager in 2004, and you just found her laptop. Read her diary, message her friends, and piece together what happened to her before it’s too late. But you're not the only one with access to her computer… A fourth wall-breaking psychological horror experience featuring LilyPichu
Psychological HorrorInvestigationRetroPuzzleMysterySimulationChoices MatterStory RichCultLogic👍 524
$5.99Dreamcore: Rabbit Hole
Apr 24 · Ankoku
Both: Exploration · Psychological Horror · First-Person
Walking simulator. Explore cozy liminal spaces that feel unsettlingly familiar and spark your imagination, like a dream you’ve been in before.
ExplorationWalking SimulatorPsychological HorrorFirst-Person3DAdventureSurrealNonlinearHorrorRelaxing👍 398
Also worth a look
Share some of the same DNA, but further from the original.
$9.99Project Unknown
Oct 10 · PsychoRavens
Both: Horror · Psychological Horror · First-Person
An online co-op horror game featuring unique playable characters and RPG mechanics. Exorcise ghosts using your special abilities and tools while surviving the supernatural onslaught
HorrorOnline Co-OpMultiplayerPsychological HorrorCo-opSurvival HorrorDarkFirst-PersonInvestigationSupernatural👍 776
$12.99Liminal Shroud
Sep 3 · Everdeep Studios
Both: Psychological Horror · Horror · Exploration
A different kind of liminal experience. Explore surreal spaces inspired by nostalgia, discover hidden paths, and unravel a mystery that is shaped by your own mind. No monsters, no combat. Just atmosphere, discovery, and dread.
Psychological HorrorHorrorMystery DungeonWalking SimulatorExplorationDungeon CrawlerRelaxingAdventureThriller3D
-15%$2.54And who is the maiden?
2 days ago · Cipi Games
Both: Choices Matter · Multiple Endings
A young man disappeared in a Slavic village. You show up with three companions and a few days to find out what really happened, before the water decides to answer for itself. Based on Adam Wołoszczuk's award-winning scenario "A kto dziewczyna?", with 11 different ways it can end.
Choose Your Own AdventureVisual NovelStory RichChoices MatterShortMultiple EndingsMysteryInvestigationAdventureInteractive Fiction
-10%$4.49The Door Factory
2 days ago · David Gallardo
Both: Horror · Psychological Horror · Choices Matter
The Door Factory is a first-person horror game where you inspect mysterious doors before they are sent into production. Step inside, observe the environment, spot anomalies, and decide whether each door should be approved or reported.
HorrorPsychological HorrorWalking SimulatorChoices MatterImmersive SimSimulationRealisticActionExplorationAtmospheric
-33%$2.00Petrichor: Reverie Edition
2 days ago · 6six6
Both: Puzzle · Escape Room
Petrichor is an escape room type puzzle game that follows a fateful incident in a man's life. After an accident in the wilderness... What fate awaits him as rain falls down onto the forest below? Can you escape it?
PuzzleEscape RoomLGBTQ+AtmosphericMysterySurrealAdventureStory RichSurvivalPsychological
-15%$2.54下校怪奇譚
3 days ago · THE FOOL CREATE
Both: Exploration · First-Person · Multiple Endings
Walk home from school — and step into a different story every time. Talk to the people you pass in town, or take a closer look at the things around you, and a new tale begins.
AdventureCasualWalking SimulatorExploration3DFirst-Person1990'sRetroAtmosphericMultiple Endings
$8.99Sketchy's Contract
Jul 15 · Dimensionless Games
Both: Horror · First-Person · Exploration
A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.
Online Co-OpHorrorFirst-PersonCo-opExplorationSci-fiSurvival HorrorAtmosphericAdventurePsychological Horror👍 1,027
-15%$8.49Tape 101: Liminal Descent
2 days ago · 2H-Productions
Both: Horror · Psychological Horror · Exploration
A psychological horror descending through liminal spaces shaped by the Kübler Ross model - the five stages of grief, where your perception and an RC car are the only tools to grasp what’s real.
HorrorPsychological HorrorWalking SimulatorAtmosphericRealisticExplorationFirst-PersonSingleplayerImmersive SimSurreal
$2.99Appointment
2 days ago · Omar Jawabreh
Both: Horror · First-Person · Puzzle
Appointment is a first-person survival horror game set in a dark, abandoned hospital. Explore, solve interconnected puzzles, search for essential items, and stay quiet as a relentless doctor hunts by sight, sound, and even the light of your flashlight.
HorrorSurvival HorrorFirst-PersonPuzzleStealthAdventureAtmosphericActionPsychological HorrorExploration