IMHO.

Games like The Subject

If The Subject is your kind of game, the closest matches are What Happened to Lily?, There's Something In The Ice and Backrooms: Lost Tape — picked from the ranked list below. Reviewers single out its atmospheric, dark and tense. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About The Subject: You have been taken prisoner and sold to a deep space testing facility. Upon arrival, you are fitted with a device forcing you to participate in their experiment. Released into a massive complex, the dark halls wind around testing rooms and conceal pieces to puzzles. There is no option but to comply.

2018IndieAdventure4.99 USDWindows · Linuxby DarkStone Digital
The Subject — Steam game cover
Players highlight
Casual mode removes monster for pure puzzle focusDystopian spaceship environment is richly detailedMonster proximity alarm adds tension without visual spoilersAtmosphericDarkTense

Players who liked The Subject also play

Steam players who put hours into The Subject also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. What Happened to Lily?

    WHY THIS

    Top pick for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with The Subject.

    What Happened to Lily? Is a real-time first-person horror game. Discover the secrets and spooky truths behind the mysterious event at Miller Farm.

    2025IndieAdventureCasual3.99 USDSteam ↗
  2. There's Something In The Ice

    WHY THIS

    Second-strongest match for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with The Subject.

    In 2015, three scientists at the Antarctic research station "Zarya" drilled into the ice to a depth of 2 kilometers and took samples for study... It seems that what they found was not at all what they were looking for...

    2024IndieAdventureSimulation2.49 USDSteam ↗
  3. Backrooms: Lost Tape

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Third-strongest match for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with The Subject.

    You work in the cinema as an usher and accidentally fell into the Backrooms, now being trapped, needing to unravel the mysteries of the yellow rooms in order to get out of this place, but be careful, there are entities that will be in your way.

    2022ActionIndieAdventure10.99 USDDeck PlayableSteam ↗
  4. Locked Up

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Ranked #4 for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Indie with The Subject.

    The game “Locked Up" is the first project developed in 2020 by the studio EMIKA_GAMES consisting of one person.

    2020Indie12.99 USDDeck PlayableSteam ↗
  5. Moons of Madness

    WHY THIS

    Shares puzzle solving and an atmospheric mood with The Subject.

    Ranked #5 for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Adventure with The Subject.

    Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.

    2019Adventure24.99 USDDeck VerifiedSteam ↗
  6. Kairo

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Ranked #6 for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with The Subject.

    Enter the lost world of Kairo. Explore vast abandoned monuments. Bring strange and ancient machinery back to life. Slowly uncover the true purpose of Kairo and fulfil a great destiny.Kairo is an atmospheric 3D exploration and puzzle solving game.

    2013IndieAdventure4.99 USDDeck PlayableSteam ↗
  7. Visage

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Ranked #7 for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with The Subject.

    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.

    2020ActionIndieAdventure34.99 USDDeck PlayableSteam ↗
  8. Kona

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Ranked #8 for The Subject fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with The Subject.

    Northern Canada, 1970. A strange blizzard ravages Atamipek Lake. Step into the shoes of a detective to explore the eerie village, investigate surreal events, and battle the elements to survive. Kona is a chilly interactive tale you won't soon forget.

    2017IndieAdventure14.99 USDDeck VerifiedSteam ↗

Reviewers mention these as similar to The Subject

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Penumbra Overture

    WHY THIS

    Shares puzzle solving and an atmospheric mood with The Subject.

    Reviewers of The Subject cross-mention this title as a similar play. Shares Indie and Adventure with The Subject.

    Penumbra: Overture is a first person survival horror game, emphasizing on survival and problem solving instead of mindless violence and gore.

    2009ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  2. Alien: Isolation

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Reviewers of The Subject cross-mention this title as a similar play.

    Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.

    2014Action39.99 USDDeck VerifiedSteam ↗
  3. AMNESIA

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Reviewers of The Subject cross-mention this title as a similar play. Shares Indie and Adventure with The Subject.

    After a series of events now shrouded in mystery, our protagonist - a young man - fell into a coma, losing all recollection of the person he used to be. He is given a clean slate. All that’s left to do now is to carefully and thoroughly investigate every facet of your former self.

    2022IndieAdventureEarly Access9.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below The Subject at current Steam store prices.

  1. POSTAL 2

    WHY THIS

    Priced ~80% under The Subject on Steam right now. Shares Indie and Adventure with The Subject.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  2. The Test

    WHY THIS

    Priced ~60% under The Subject on Steam right now. Shares Indie and Adventure with The Subject.

    You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  3. Milk inside a bag of milk inside a bag of milk

    WHY THIS

    Priced ~70% under The Subject on Steam right now. Shares Indie and Adventure with The Subject.

    A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.

    2020IndieAdventure1.49 USDDeck PlayableSteam ↗
  4. Blood and Bacon

    WHY THIS

    Priced ~80% under The Subject on Steam right now. Shares Adventure with The Subject.

    This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

    2016ActionAdventureCasual0.99 USDSteam ↗
  5. shapez

    WHY THIS

    Priced ~80% under The Subject on Steam right now. Shares Indie with The Subject.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  6. The Test: Hypothesis Rising

    WHY THIS

    Priced ~60% under The Subject on Steam right now. Shares Indie and Adventure with The Subject.

    The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  7. The NOexistenceN of you AND me

    WHY THIS

    Priced ~60% under The Subject on Steam right now. Shares Indie and Adventure with The Subject.

    Use "game" as a medium to showcase the world of "you/girl". Explore the truth of "you/girl/world" through the form of a "visual novel".

    2024IndieAdventureRPG1.99 USDDeck VerifiedSteam ↗
  8. Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad

    WHY THIS

    Priced ~80% under The Subject on Steam right now. Shares Indie with The Subject.

    "Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?" is a fast paced shower-simulation where you shower with your 8-bit dad.It's good, clean fun!

    2015ActionIndieSimulation0.99 USDDeck VerifiedSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with The Subject.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with The Subject.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with The Subject.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with The Subject.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with The Subject.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with The Subject.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with The Subject.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with The Subject.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗

More from DarkStone Digital

Other recommendable Steam games by DarkStone Digital, ranked by review count so the studio's hits land first.

  1. The Mortuary Assistant

    WHY THIS

    Shares an atmospheric mood with The Subject.

    Another title from DarkStone Digital, the studio behind The Subject. Shares Indie and Adventure with The Subject.

    Alone with the dead... Embalm corpses, banish demons, save your soul.

    2022IndieAdventureSimulation24.99 USDDeck VerifiedSteam ↗
  2. Dread X Collection 5

    WHY THIS

    Shares puzzle solving and an atmospheric mood with The Subject.

    Another title from DarkStone Digital, the studio behind The Subject. Shares Indie and Adventure with The Subject.

    A horror anthology in the Dread X Collection series. Featuring 12 new games from up-and-comers along with veterans, all wrapped up in an old, run down party venue that may be hiding more than it's letting on...

    2022ActionIndieAdventure9.99 USDSteam ↗
  3. Our Secret Below

    WHY THIS

    Shares puzzle solving and an atmospheric mood with The Subject.

    Another title from DarkStone Digital, the studio behind The Subject. Shares Indie and Adventure with The Subject.

    Abducted with only four hours to live… Learn about your captor, use your knowledge to escape, end the cycle.

    2020IndieAdventure9.99 USDSteam ↗
  4. Inner

    WHY THIS

    Another title from DarkStone Digital, the studio behind The Subject. Shares Indie with The Subject.

    Face your subconscious in an ever-growing anthology of mini-games dealing with psychological and surreal concepts.

    2019IndieFreeDeck PlayableSteam ↗
  5. Kohate

    WHY THIS

    Shares puzzle solving and an atmospheric mood with The Subject.

    Another title from DarkStone Digital, the studio behind The Subject. Shares Indie and Adventure with The Subject.

    Arrested and sold at auction, you have been transported to a secret testing facility in deep space. Perform the required tasks while avoiding the abomination lurking within the complex.

    2020ActionIndieAdventure4.99 USDSteam ↗

Frequently asked about The Subject

How much does The Subject cost?
The Subject is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to The Subject?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside The Subject are What Happened to Lily?, There's Something In The Ice, Backrooms: Lost Tape.
Who developed The Subject?
The Subject was developed by DarkStone Digital.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on The Subject.

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