IMHO.

Games like Kumitantei: Old-School Slaughter

If Kumitantei: Old-School Slaughter is your kind of game, the closest matches are Future Racer 2000, Prison Notes and Danganronpa V3: Killing Harmony — picked from the ranked list below. Reviewers single out its atmospheric, 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 Kumitantei: Old-School Slaughter: Kill each other...for science! The class of '89 is trapped in an elite school killing game. Investigate, solve, and expose your classmates in Kumitantei™: Old-School Slaughter, an episodic murder-mystery ADV card-battler inspired by retro anime.

2026IndieAdventureRPG13.49 USDDeck VerifiedWindowsby Mango Factory
Kumitantei: Old-School Slaughter — Steam game cover
Players highlight
Analog horror segments heighten tensionCard battles add strategic depthCharacter bonds unlock unique abilitiesAtmosphericDarkEerie

Players who liked Kumitantei: Old-School Slaughter also play

Steam players who put hours into Kumitantei: Old-School Slaughter 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. Future Racer 2000

    WHY THIS

    Top pick for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Kumitantei: Old-School Slaughter.

    Only You Can Be The Future Racer 2000

    2023IndieAdventure4.99 USDSteam ↗
  2. Prison Notes

    WHY THIS

    Second-strongest match for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Kumitantei: Old-School Slaughter.

    Prison Notes is a RPG with text-based ADV and cultivation elements. You act as a young migrant worker, wrongly imprisoned in the prison known as "The Coral Reef".What challenges and adventures are awaiting? Will you finally find a way out? Your choices and actions will decide the end of your story.

    2025StrategyIndieAdventure9.99 USDSteam ↗
  3. Danganronpa V3: Killing Harmony

    WHY THIS

    Shares a mysterious mood with Kumitantei: Old-School Slaughter.

    Third-strongest match for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kumitantei: Old-School Slaughter.

    A new cast of 16 characters find themselves kidnapped and imprisoned in a school. Inside, some will kill, some will die, and some will be punished. Reimagine what you thought high-stakes, fast-paced investigation was as you investigate twisted murder cases and condemn your new friends to death.

    2017Adventure11.99 USDSteam ↗
  4. Danganronpa: Trigger Happy Havoc

    WHY THIS

    Shares a tense mood with Kumitantei: Old-School Slaughter.

    Ranked #4 for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kumitantei: Old-School Slaughter.

    Investigate murders, search for clues and talk to your classmates to prepare for trial. There, you'll engage in deadly wordplay, going back and forth with suspects. Dissect their statements and fire their words back at them to expose their lies! There's only one way to survive—pull the trigger.

    2016Adventure9.99 USDDeck PlayableSteam ↗
  5. Not Another Weekend

    WHY THIS

    Shares point and click and a mysterious mood with Kumitantei: Old-School Slaughter.

    Ranked #5 for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Kumitantei: Old-School Slaughter.

    A hilariously madcap point-and-click adventure as a determined bellboy tasked with clearing out a bustling hotel in just one wild weekend! Can he manage the chaos and evict all the guests? The clock is ticking!

    2021IndieAdventure9.99 USDSteam ↗
  6. Kanna Maze

    WHY THIS

    Shares visual novel style, dialogue choices, psychological and an atmospheric mood with Kumitantei: Old-School Slaughter.

    Ranked #6 for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Adventure and RPG with Kumitantei: Old-School Slaughter.

    In an isolated lab beneath the earth, a childhood friend is resurrected. Amidst sealed walls, a spree of killings unfolds. In a godless abyss, parallel worlds entwine like a maze. Where does one find the path to the sole universe of bliss?

    2024AdventureRPG3.99 USDDeck PlayableSteam ↗
  7. Methods: The Detective Competition

    WHY THIS

    Shares a mysterious mood with Kumitantei: Old-School Slaughter.

    Ranked #7 for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Indie with Kumitantei: Old-School Slaughter.

    One hundred detectives compete against each other in a crime-solving competition.

    2020StrategyIndieCasual19.99 USDDeck PlayableSteam ↗
  8. All in Abyss: Judge the Fake

    WHY THIS

    Shares turn based combat, dialogue choices, psychological and an atmospheric mood with Kumitantei: Old-School Slaughter.

    Ranked #8 for Kumitantei: Old-School Slaughter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Kumitantei: Old-School Slaughter.

    Either I die, or the Witches perish. I challenge thee to a deathmatch!” Asuha, a self-proclaimed gambling prodigy, challenges the Witch ruling the gambling district. Poised to win, she is defeated by a mysterious power. An adventure of gambling, exposing frauds and earning fortunes through poker.

    2025IndieAdventureRPG15.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Kumitantei: Old-School Slaughter at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~63% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie with Kumitantei: Old-School Slaughter.

    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 ~63% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie and RPG with Kumitantei: Old-School Slaughter.

    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. PEAK

    WHY THIS

    Priced ~41% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie and Adventure with Kumitantei: Old-School Slaughter.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  4. Slay the Spire

    WHY THIS

    Priced ~54% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie with Kumitantei: Old-School Slaughter.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  5. Inscryption

    WHY THIS

    Priced ~41% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie and Adventure with Kumitantei: Old-School Slaughter.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗
  6. Cookie Clicker

    WHY THIS

    Priced ~63% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie with Kumitantei: Old-School Slaughter.

    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 ↗
  7. WEBFISHING

    WHY THIS

    Priced ~63% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie with Kumitantei: Old-School Slaughter.

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

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  8. Noita

    WHY THIS

    Priced ~41% under Kumitantei: Old-School Slaughter on Steam right now. Shares Indie and Adventure with Kumitantei: Old-School Slaughter.

    Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.

    2020ActionIndieAdventure7.99 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 Kumitantei: Old-School Slaughter.

    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 Kumitantei: Old-School Slaughter.

    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 Kumitantei: Old-School Slaughter.

    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 Kumitantei: Old-School Slaughter.

    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 Kumitantei: Old-School Slaughter.

    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 Kumitantei: Old-School Slaughter.

    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 Kumitantei: Old-School Slaughter.

    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. Our Life: Beginnings & Always

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Kumitantei: Old-School Slaughter.

    A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.

    2020IndieFree To PlayCasualFreeSteam ↗

Frequently asked about Kumitantei: Old-School Slaughter

Is Kumitantei: Old-School Slaughter verified for Steam Deck?
Yes — Kumitantei: Old-School Slaughter is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does Kumitantei: Old-School Slaughter cost?
Kumitantei: Old-School Slaughter is listed on Steam at 13.49 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Kumitantei: Old-School Slaughter?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Kumitantei: Old-School Slaughter are Future Racer 2000, Prison Notes, Danganronpa V3: Killing Harmony.
Who developed Kumitantei: Old-School Slaughter?
Kumitantei: Old-School Slaughter was developed by Mango Factory and published by Akupara Games.

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 Kumitantei: Old-School Slaughter.

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