IMHO.

Games like Parasitic Evil

If Parasitic Evil is your kind of game, the closest matches are PERFECT CELLS PROJECT, Liu Shan Maker and MASSAGE MY EX-BULLY — picked from the ranked list below. Reviewers single out its exploration heavy hospital setting, dark and eerie. 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 Parasitic Evil: Amidst a catastrophe, the protagonists find themselves trapped inside a hospital that has been conducting mysterious research. While they manage to survive the initial disaster, they are soon confronted with insane mutations—and the struggle to escape the hospital which leaves both their sanity and physical forms under siege.

2023ActionAdventureSimulation9.99 USDDeck PlayableWindowsby R's
Parasitic Evil — Steam game cover
Players highlight
Antibodies from intimacy suppress symptomsExploration heavy hospital settingH scenes unlock skill points and resistancesDarkEerieMysterious

Players who liked Parasitic Evil also play

Steam players who put hours into Parasitic Evil 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. PERFECT CELLS PROJECT

    WHY THIS

    Top pick for Parasitic Evil fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Parasitic Evil.

    You are a pink life form. The target is utilizing the evolved abilities to seek revenge on the researchers while progressively breaking through barriers toward the exit.

    2024ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  2. Liu Shan Maker

    WHY THIS

    Second-strongest match for Parasitic Evil fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Parasitic Evil.

    After Liu Bei's passing, as Zhuge Liang, the Chancellor of Shu Han, not only do I aim to fulfill Liu Bei's wish for a peaceful empire, but I must also nurture Liu Bei's daughter, Liu Shan, entrusted to me as an orphan, to become an adept Empress of Shu Han...

    2024SimulationRPG9.99 USDDeck PlayableSteam ↗
  3. MASSAGE MY EX-BULLY

    WHY THIS

    Shares a dark mood with Parasitic Evil.

    Third-strongest match for Parasitic Evil fans by collaborative filtering across millions of Steam libraries.

    Turn the tables on your bully through seduction! Change the dynamic of your relationship with exquisite massage techniques, and make the heroine fall head over heels for you. Transform her into your willing plaything in this tantalizing adventure of revenge and romance.

    2025RPGCasual6.99 USDDeck PlayableSteam ↗
  4. Succubus Girl

    WHY THIS

    Shares a dark mood with Parasitic Evil.

    Ranked #4 for Parasitic Evil fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Parasitic Evil.

    Researcher Leo was told on his first day at the institute that he needed to look after some mysterious creature—an innocent girl who fed on semen... There seemed to be more to the girl's secret than that, but no one wanted to reveal the maddening truth.

    2023SimulationCasual11.99 USDDeck PlayableSteam ↗
  5. CYAN BRAIN

    WHY THIS

    Shares a dark mood with Parasitic Evil.

    Ranked #5 for Parasitic Evil fans by collaborative filtering across millions of Steam libraries. Shares Action with Parasitic Evil.

    Cyan Brain is a decadent sci-fi side-scrolling action shooter. Awaken to face endless slaughter and desperate encounters. "Are you ready to make the ultimate devotion?"

    2025Action14.99 USDDeck PlayableSteam ↗
  6. Fatal Countdown - immoral List of Desires

    WHY THIS

    Shares a dark mood with Parasitic Evil.

    Ranked #6 for Parasitic Evil fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Parasitic Evil.

    Order disappeared overnight in the sudden artillery fire. The usually safe city had now become a dangerous area. Faced with the lack of resources, were you going to sit there and wait for your doom or go to save your own companions and escape with them from the city that had been transformed into hell...

    2024SimulationCasual10.99 USDDeck PlayableSteam ↗
  7. Harem of Monster Girls

    WHY THIS

    Ranked #7 for Parasitic Evil fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Parasitic Evil.

    One day, when I was immersed in a monster-girl game, I woke up as a summoned "Brave!" The unreliable and silly goddess, arrogant Elf queen, and gentle humanoid Slime all needed my help saving the world... It wouldn’t be hard to build a harem, would it?

    2023IndieSimulationRPG6.99 USDDeck PlayableSteam ↗
  8. My intimate love with the devil king

    WHY THIS

    Ranked #8 for Parasitic Evil fans by collaborative filtering across millions of Steam libraries.

    The sudden accident took away the good life that originally belonged to me. Abandoned by the world, I could not find the meaning of survival until I met you… In this absurd time, I started my life with the devil King, supporting each other, helping each other, and finally taking a special path together.

    2023RPGCasual9.99 USDDeck PlayableSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Parasitic Evil on Steam right now. Shares Simulation with Parasitic Evil.

    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 Parasitic Evil on Steam right now. Shares Action with Parasitic Evil.

    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. Titanfall® 2

    WHY THIS

    Priced ~55% under Parasitic Evil on Steam right now. Shares Action with Parasitic Evil.

    Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

    2020Action4.49 USDDeck PlayableSteam ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~50% under Parasitic Evil on Steam right now. Shares Simulation with Parasitic Evil.

    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 ↗
  5. POSTAL 2

    WHY THIS

    Priced ~90% under Parasitic Evil on Steam right now. Shares Action and Adventure with Parasitic Evil.

    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. Buckshot Roulette

    WHY THIS

    Priced ~70% under Parasitic Evil on Steam right now. Shares Action and Simulation with Parasitic Evil.

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

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  7. Brotato

    WHY THIS

    Priced ~50% under Parasitic Evil on Steam right now. Shares Action with Parasitic Evil.

    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 ↗
  8. Your Only Move Is HUSTLE

    WHY THIS

    Priced ~50% under Parasitic Evil on Steam right now. Shares Action and Simulation with Parasitic Evil.

    Master your technique, execute flashy combos, and outsmart opponents across the world, frame-by-frame. Slow down the clock to fine-tune your fighting style in this innovative, turn-based combat simulator. Pulverize your friends and choreograph spectacular fight scenes. No training mode required.

    2023ActionStrategyIndie4.99 USDDeck PlayableSteam ↗

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.

    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 Adventure with Parasitic Evil.

    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 Action with Parasitic Evil.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

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

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Parasitic Evil.

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Parasitic Evil.

    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 ↗
  7. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Parasitic Evil.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  8. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

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

    2022IndieFreeDeck PlayableSteam ↗

Frequently asked about Parasitic Evil

Does Parasitic Evil run on Steam Deck?
Parasitic Evil 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 Parasitic Evil cost?
Parasitic Evil is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Parasitic Evil?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Parasitic Evil are PERFECT CELLS PROJECT, Liu Shan Maker, MASSAGE MY EX-BULLY.
Who developed Parasitic Evil?
Parasitic Evil was developed by R's and published by Playmeow, Playmeow News.

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 Parasitic Evil.

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