IMHO.

Games like A Plunge into Darkness

If A Plunge into Darkness is your kind of game, the closest matches are Inferno, KAKUSANKIBOU / 扩散希望 and Look Outside — picked from the ranked list below. Reviewers single out its oppressive haunted mansion atmosphere, atmospheric and dark. 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.

Get personalized picks →

About A Plunge into Darkness: What happens when a group of friends decides to visit a mysterious, haunted castle? What started as a bit of fun is about to become a life-changing event for them. But the real question is: can they make it out of the castle alive?

2020StrategyIndieAdventureSimulationRPG9.99 USDDeck PlayableWindowsby Aldorlea
A Plunge into Darkness — Steam game cover
Players highlight
Boss skill upgrades reshape battlesNightmarish boss immunity forces adaptationOppressive haunted mansion atmosphereAtmosphericDarkHypnotic

Players who liked A Plunge into Darkness also play

Steam players who put hours into A Plunge into Darkness 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. Inferno

    WHY THIS

    Shares an atmospheric mood with A Plunge into Darkness.

    Top pick for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with A Plunge into Darkness.

    After discovering & rescuing an unconscious elite warrior from a dangerous jungle, a soldier, a scientist and a nurse decide to team up and escape from the ravaged army base where they'd been struggling for days. Can they find help in the jungle? Who will survive and make it?

    2020IndieAdventureRPG9.99 USDSteam ↗
  2. KAKUSANKIBOU / 扩散希望

    WHY THIS

    Shares a tense mood with A Plunge into Darkness.

    Second-strongest match for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with A Plunge into Darkness.

    Basically the story goes as visual novel form. Sometimes, the system switches into dot part, and you can control the character to continue the story.

    2018IndieAdventureRPG2.99 USDSteam ↗
  3. Look Outside

    WHY THIS

    Shares an atmospheric mood with A Plunge into Darkness.

    Third-strongest match for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Adventure and RPG with A Plunge into Darkness.

    Look Outside is a survival horror RPG set in a single apartment building. A mysterious event turns anyone who looks out the window into grotesque monsters, leaving the world in absolute chaos. Scavenge the building to seek food, supplies, and weapons while encountering strange characters.

    2025AdventureRPG9.99 USDDeck PlayableSteam ↗
  4. Hellslave

    WHY THIS

    Shares an atmospheric mood with A Plunge into Darkness.

    Ranked #4 for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with A Plunge into Darkness.

    Hellslave is a dark fantasy dungeon crawler where you make a pact with the Devil to fight back a demon invasion. Customize your character with powerful demonic abilities, explore a cursed world, and battle nightmarish enemies to save humanity if you can resist the darkness.

    2022StrategyIndieAdventure19.99 USDDeck PlayableSteam ↗
  5. Boy VS Genius 贫穷少年与校园名人的生死对决

    WHY THIS

    Ranked #5 for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with A Plunge into Darkness.

    主角高村进是一个出生平凡的普通少年,家人去世,又遭遇劫匪。生无可恋的他准备前往学校的天台跳楼,结束自己的人生。当他到达天台时,遇到了站在天台边缘同样想跳楼的少女……从此,他的人生彻底地改变了……

    2019StrategyIndieSimulation0.99 USDSteam ↗
  6. Bloody Glimpse

    WHY THIS

    Shares a tense mood with A Plunge into Darkness.

    Ranked #6 for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with A Plunge into Darkness.

    Bloody Glimpse will take you on a immersive journey through bloody and dark world, the one that you always dreamed of.

    2017ActionIndieSimulation0.99 USDSteam ↗
  7. Hard Time

    WHY THIS

    Shares a dark mood with A Plunge into Darkness.

    Ranked #7 for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with A Plunge into Darkness.

    The toughest prison sim in the yard has been locked back up to serve another sentence in 2D!

    2017ActionIndieAdventure4.99 USDDeck PlayableSteam ↗
  8. Broken Spell 2

    WHY THIS

    Ranked #8 for A Plunge into Darkness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with A Plunge into Darkness.

    Broken Spell 2 is an ARPG game. You will fight in blood with cruel and ferocious warlock and sorcerers for saving pretty girls.

    2020ActionSportsStrategy9.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below A Plunge into Darkness at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~50% under A Plunge into Darkness on Steam right now. Shares Indie and Simulation with A Plunge into Darkness.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~50% under A Plunge into Darkness on Steam right now. Shares Indie and RPG with A Plunge into Darkness.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. Cookie Clicker

    WHY THIS

    Priced ~50% under A Plunge into Darkness on Steam right now. Shares Strategy and Indie with A Plunge into Darkness.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  4. WEBFISHING

    WHY THIS

    Priced ~50% under A Plunge into Darkness on Steam right now. Shares Indie with A Plunge into Darkness.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  5. POSTAL 2

    WHY THIS

    Priced ~90% under A Plunge into Darkness on Steam right now. Shares Indie and Adventure with A Plunge into Darkness.

    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 ↗
  6. Plants vs. Zombies GOTY Edition

    WHY THIS

    Priced ~50% under A Plunge into Darkness on Steam right now. Shares Strategy with A Plunge into Darkness.

    Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.

    2009Strategy4.99 USDDeck PlayableSteam ↗
  7. Buckshot Roulette

    WHY THIS

    Priced ~70% under A Plunge into Darkness on Steam right now. Shares Indie and Simulation with A Plunge into Darkness.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  8. Brotato

    WHY THIS

    Priced ~50% under A Plunge into Darkness on Steam right now. Shares Indie and RPG with A Plunge into Darkness.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 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 A Plunge into Darkness.

    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. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with A Plunge into Darkness.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with A Plunge into Darkness.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  4. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with A Plunge into Darkness.

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

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  5. 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 A Plunge into Darkness.

    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 ↗
  6. missed messages.

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with A Plunge into Darkness.

    ‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. NGU IDLE

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with A Plunge into Darkness.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗
  8. Grimm's Hollow

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with A Plunge into Darkness.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗

Frequently asked about A Plunge into Darkness

Does A Plunge into Darkness run on Steam Deck?
A Plunge into Darkness is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does A Plunge into Darkness cost?
A Plunge into Darkness is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to A Plunge into Darkness?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside A Plunge into Darkness are Inferno, KAKUSANKIBOU / 扩散希望, Look Outside.
Who developed A Plunge into Darkness?
A Plunge into Darkness was developed by Aldorlea.

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 A Plunge into Darkness.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

24 Games Like A Plunge into Darkness — Ranked for 2026 · imho.run