IMHO.

Games like Specimen 13

If Specimen 13 is your kind of game, the closest matches are Starnded: Gardens of the Rubellite, Dying Light and Monstrum 2 Beta — 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 Specimen 13: In Specimen 13 you play as one of five survivors (or a traitor) who find themselves as unwilling subjects in an experiment set on a mysterious island. Alternatively, play as the Specimen and prevent the survivors from escaping through the underground elevator.

2020ActionIndieAdventure8.99 USDWindowsby Spire Interactive
Specimen 13 — Steam game cover

Players who liked Specimen 13 also play

Steam players who put hours into Specimen 13 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. Starnded: Gardens of the Rubellite

    WHY THIS

    Top pick for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Specimen 13.

    Starnded: Gardens of the Rubellite is a first-person, sci-fi survival RPG set in a breathtaking, hand-crafted alien world. With zero firearms to rely on, your survival depends entirely on movement, knowledge, strength and adaptation.

    2026ActionAdventureMassively MultiplayerSteam ↗
  2. Dying Light

    WHY THIS

    Second-strongest match for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action with Specimen 13.

    First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected.

    2015ActionRPG24.99 USDDeck VerifiedSteam ↗
  3. Monstrum 2 Beta

    WHY THIS

    Third-strongest match for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Specimen 13.

    Monstrum 2 is a survival horror game for 2-5 players, set inside the procedurally-generated sea labyrinth - Sparrowlock. Join a team of prisoners evading the terrors within whilst figuring out how to escape, or become one of the deadly monstrosities whose only goal is to hunt them down.

    2021ActionIndieAdventureFreeSteam ↗
  4. MoonMiners

    WHY THIS

    Ranked #4 for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Specimen 13.

    MoonMiners is a cooperative survival simulator of miners in space, in an alternative dystopian future. You take on the role of space miners working for an evil corporation far from home, and it will be much easier for you to die than to do your job.

    2025ActionAdventureSimulation4.99 USDSteam ↗
  5. Granny: Escape Together

    WHY THIS

    Ranked #5 for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Specimen 13.

    This is a creepy co-op horror game. In which you find yourself locked in a crazy Granny's house. But Granny is not the only danger that awaits you in the house, someone else creepy lives in the basement. You have five days to get out of the house!

    2024ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  6. Contagion

    WHY THIS

    Ranked #6 for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Specimen 13.

    Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.

    2013ActionIndieAdventure3.99 USDDeck VerifiedSteam ↗
  7. White Noise 2

    WHY THIS

    Ranked #7 for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Specimen 13.

    Enjoy a 4vs1 asymmetric horror experience like no other. Be a part of the investigator team, or take control of the creature and devour them!

    2017ActionStrategyIndie9.99 USDSteam ↗
  8. Monstrum 2

    WHY THIS

    Ranked #8 for Specimen 13 fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Specimen 13.

    Monstrum 2 is a survival horror game for 2-5 players, set inside the procedurally-generated sea labyrinth - Sparrowlock. Join a team of prisoners evading the terrors within whilst figuring out how to escape, or become one of the deadly monstrosities whose only goal is to hunt them down.

    2022ActionStrategyIndieSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Specimen 13 at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~44% under Specimen 13 on Steam right now. Shares Indie with Specimen 13.

    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 ~44% under Specimen 13 on Steam right now. Shares Action and Indie with Specimen 13.

    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 ~50% under Specimen 13 on Steam right now. Shares Action with Specimen 13.

    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 ~44% under Specimen 13 on Steam right now. Shares Indie with Specimen 13.

    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. WEBFISHING

    WHY THIS

    Priced ~44% under Specimen 13 on Steam right now. Shares Indie with Specimen 13.

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

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~89% under Specimen 13 on Steam right now. Shares Action and Indie with Specimen 13.

    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 ↗
  7. Buckshot Roulette

    WHY THIS

    Priced ~67% under Specimen 13 on Steam right now. Shares Action and Indie with Specimen 13.

    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 ~44% under Specimen 13 on Steam right now. Shares Action and Indie with Specimen 13.

    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 Specimen 13.

    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 Specimen 13.

    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 Specimen 13.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  4. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Specimen 13.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  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 Specimen 13.

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. 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 Specimen 13.

    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 Specimen 13.

    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. Shares Indie with Specimen 13.

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

    2022IndieFreeDeck PlayableSteam ↗

More from Spire Interactive

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

  1. Border Force

    WHY THIS

    Another title from Spire Interactive, the studio behind Specimen 13. Shares Indie with Specimen 13.

    It is 10:59PM on March 29th 2019. With one minute to go until Britain's exit from the European Union is formalised, you are ready to get to work. The UK's safety is in your hands. You are Border Force.

    2019IndieCasual9.99 USDSteam ↗
  2. Crimson Hotel

    WHY THIS

    Another title from Spire Interactive, the studio behind Specimen 13. Shares Adventure with Specimen 13.

    In 1949 two gruesome accidents tainted the Crimson's reputation and led to an innocent mother being charged with murder. Jane Barker hasn't been seen since her release in 1954. You're a group of teenagers on their way home from a party when your car breaks down outside the Crimson Hotel...

    2019Adventure4.99 USDSteam ↗
  3. Humble Rumble

    WHY THIS

    Another title from Spire Interactive, the studio behind Specimen 13. Shares Action and Indie with Specimen 13.

    Humble Rumble is a multiplayer physics-based brawling party game spanning several maps, themes and modes. Compete or co-operate with your friends across various activities from battles at sea to farming to gift giving.

    2020ActionIndieCasual9.99 USDSteam ↗

Frequently asked about Specimen 13

How much does Specimen 13 cost?
Specimen 13 is listed on Steam at 8.99 USD (current store price; Steam sales may reduce this temporarily).
Does Specimen 13 have multiplayer or co-op?
Yes — Specimen 13 supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
What games are most similar to Specimen 13?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Specimen 13 are Starnded: Gardens of the Rubellite, Dying Light, Monstrum 2 Beta.
Who developed Specimen 13?
Specimen 13 was developed by Spire Interactive.

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 Specimen 13.

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27 Games Like Specimen 13 — Ranked for 2026 · imho.run