IMHO.

Games like Mortal Decay

If Mortal Decay is your kind of game, the closest matches are Death's Playground, Midnight Train and Outlast — picked from the ranked list below. 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 Mortal Decay: You are a veteran, in a post World War 3 apocalyptic world. Starving and alone, you fight to keep your sanity in the hell that this world has decayed into. In a desperate attempt to find food, you stumble your way into an abandoned prison, but you find out it is not as abandoned as you believed...

2020ActionIndieAdventure2.99 USDWindowsby Roger Kaffer
Mortal Decay — Steam game cover

Players who liked Mortal Decay also play

Steam players who put hours into Mortal Decay 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. Death's Playground

    WHY THIS

    Top pick for Mortal Decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Decay.

    Invite your friends over to play this nice lovely game and then.. BAM! Out of nowhere, you scare them to death, leaving them with nothing but paranoia and trust issues! Run, hide, shoot, scream.. try to survive the cursed mansion's creepy environment in this multiplayer (4v1) Psychological Horror.

    2023ActionIndie6.99 USDSteam ↗
  2. Midnight Train

    WHY THIS

    Second-strongest match for Mortal Decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Decay.

    You wake up alone on a mysterious subway train. Can you find the true story ? Solve puzzles and escape… before the thing in the shadows finds you.

    2026ActionIndieAdventure9.99 USDSteam ↗
  3. Outlast

    WHY THIS

    Third-strongest match for Mortal Decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Decay.

    Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.

    2013ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  4. Amnesia: The Dark Descent

    WHY THIS

    Ranked #4 for Mortal Decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Decay.

    Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.

    2010ActionIndieAdventure19.99 USDDeck PlayableSteam ↗
  5. PARANOIA PLACE

    WHY THIS

    Ranked #5 for Mortal Decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Decay.

    PARANOIA PLACE is a 1-4 player online co-op survival horror game. Together or alone, you will need to solve puzzles, find items and run from the bloodthirsty demonic killer.

    2025ActionIndieAdventure6.99 USDSteam ↗
  6. Metro Exodus

    WHY THIS

    Ranked #6 for Mortal Decay fans by collaborative filtering across millions of Steam libraries. Shares Action with Mortal Decay.

    Flee the shattered ruins of the Moscow Metro and embark on an epic, continent-spanning journey across the post-apocalyptic Russian wilderness. Explore vast, non-linear levels, lose yourself in an immersive, sandbox survival experience, and follow a thrilling story-line that spans an entire year in the greatest Metro adventure yet.

    2020Action29.99 USDDeck PlayableSteam ↗
  7. Maid of Sker

    WHY THIS

    Ranked #7 for Mortal Decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Decay.

    Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!

    2020ActionIndieAdventure4.74 USDDeck PlayableSteam ↗
  8. Greyhill Incident

    WHY THIS

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

    This story-driven Survival-Horror game is about a classic Alien-Invasion which takes place during the early 90s. As Ryan Baker, equipped with a baseball bat and a few bullets in his revolver, the story takes you across the atmospheric neighborhood of Greyhill which is invaded by UFOs & Grey Aliens.

    2023IndieAdventure19.99 USDDeck PlayableSteam ↗

Cheaper alternatives

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

  1. POSTAL 2

    WHY THIS

    Priced ~67% under Mortal Decay on Steam right now. Shares Action and Indie with Mortal Decay.

    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. Milk inside a bag of milk inside a bag of milk

    WHY THIS

    Priced ~50% under Mortal Decay on Steam right now. Shares Indie and Adventure with Mortal Decay.

    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 ↗
  3. Blood and Bacon

    WHY THIS

    Priced ~67% under Mortal Decay on Steam right now. Shares Action and Adventure with Mortal Decay.

    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 ↗
  4. shapez

    WHY THIS

    Priced ~67% under Mortal Decay on Steam right now. Shares Indie with Mortal Decay.

    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 ↗
  5. Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad

    WHY THIS

    Priced ~67% under Mortal Decay on Steam right now. Shares Action and Indie with Mortal Decay.

    "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 ↗
  6. Montaro

    WHY THIS

    Priced ~67% under Mortal Decay on Steam right now. Shares Indie with Mortal Decay.

    Montaro is a DOGE.

    2016IndieCasual0.99 USDDeck PlayableSteam ↗
  7. Bit Blaster XL

    WHY THIS

    Priced ~67% under Mortal Decay on Steam right now. Shares Action and Indie with Mortal Decay.

    Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

    2016ActionIndieCasual0.99 USDDeck VerifiedSteam ↗
  8. Dictators:No Peace Countryballs

    WHY THIS

    Priced ~67% under Mortal Decay on Steam right now. Shares Indie with Mortal Decay.

    Dictators : No Peace Countryballs is a war simulation and dictator game. This is a fun,simple and some say a funny countryballs game. If you like simulation games, you will love playing Dictators : No Peace. Play as a dictator of your favourite country and colonize the world.

    2020StrategyIndieSimulation0.99 USDSteam ↗

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 Mortal Decay.

    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 Action and Adventure with Mortal Decay.

    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. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Mortal Decay.

    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 Indie and Adventure with Mortal Decay.

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Mortal Decay.

    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. STRAFTAT

    WHY THIS

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

    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 ↗
  7. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗
  8. Counter-Strike:Global Offensive

    WHY THIS

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

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗

Frequently asked about Mortal Decay

How much does Mortal Decay cost?
Mortal Decay is listed on Steam at 2.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Mortal Decay?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Mortal Decay are Death's Playground, Midnight Train, Outlast.
Who developed Mortal Decay?
Mortal Decay was developed by Roger Kaffer.

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 Mortal Decay.

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

24 Games Like Mortal Decay — Ranked for 2026 · imho.run