IMHO.

Games like Knockout Master

If Knockout Master is your kind of game, the closest matches are Fate and Life: The Mystery of Vaulinhorn, Sassy Girl and It Was Raining That Night — picked from the ranked list below. Reviewers single out its atmospheric, challenging and contemplative. 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 Knockout Master: Knockout Master is a choice-driven adult Visual Novel that puts you in the role of a boxer, whose dream is to become the world heavyweight champion. The game is packed with sex, romance, drama, and a rich story.

2025IndieAdventureSimulation11.99 USDDeck PlayableWindows · macOS · Linuxby MooN
Knockout Master — Steam game cover
Players highlight
Boxing backdrop frames life decisions over sports mechanicsBranching paths encourage multiple playthroughsBranching story paths encouraging replayabilityAtmosphericChallengingContemplative

Players who liked Knockout Master also play

Steam players who put hours into Knockout Master 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. Fate and Life: The Mystery of Vaulinhorn

    WHY THIS

    Shares choice driven narrative, visual novel style, adult content and an atmospheric mood with Knockout Master.

    Top pick for Knockout Master fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Knockout Master.

    Fate and Life: The Mystery of Vaulinhorn is a visual novel game set in an enigmatic city rife with mystery and lust. Navigate the intertwining paths of fate and desire, unearth the haunting secrets of Vaulinhorn, and revel in the thrill of its sensual encounters.

    2025IndieAdventureSimulation13.99 USDSteam ↗
  2. Sassy Girl

    WHY THIS

    Shares choice driven narrative, visual novel style, adult content and an atmospheric mood with Knockout Master.

    Second-strongest match for Knockout Master fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Knockout Master.

    Working in a gossip magazine. Being surrounded by beautiful women, and having incredible erotic adventures!

    2025IndieAdventure9.99 USDSteam ↗
  3. It Was Raining That Night

    WHY THIS

    Shares choice driven narrative, visual novel style, adult content and an atmospheric mood with Knockout Master.

    Third-strongest match for Knockout Master fans by collaborative filtering across millions of Steam libraries. Shares Indie with Knockout Master.

    "It Was Raining That Night" is an erotic visual novel that takes you on an adventure in the world of the mafia. With an engaging storyline and attractive characters, you're sure to get lost in the experience. Will you reign supreme or fall?

    2024IndieEarly Access11.99 USDDeck PlayableSteam ↗
  4. Mech Academy

    WHY THIS

    Shares choice driven narrative, relationship building, adult content and an atmospheric mood with Knockout Master.

    Ranked #4 for Knockout Master fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Knockout Master.

    It is the year 2175 and you are the pilot of a Guardian Mech. Gigantic war machines built to defend Earth from the Noxa, a ruthless alien race intent on conquering your planet. As a result of a mysterious experiment, you have been catapulted two centuries forward in time...

    2024IndieAdventure9.99 USDDeck PlayableSteam ↗
  5. How to lose one's virginity

    WHY THIS

    Shares relationship building, visual novel style, adult content and an emotional mood with Knockout Master.

    Ranked #5 for Knockout Master fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Knockout Master.

    "How to Lose One's Virginity" is an adult visual novel that describes the process of self-discovery... and hot beauties. Playing the role of a loser, are you able to change your life and become someone women are very fond of and build your own harem?

    2025IndieAdventure8.39 USDSteam ↗
  6. Bright Lord

    WHY THIS

    Shares relationship building, visual novel style, adult content and an atmospheric mood with Knockout Master.

    Ranked #6 for Knockout Master fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Knockout Master.

    Your mundane life is upended when an ancient demon possesses your body. Forced to work as its servant, you’re thrust into a world of sexual desire and murderous wrath. When your loved ones fall prey to the demon’s hunger, will you protect those you care for or succumb to lust of the Bright Lord?

    2026ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  7. Carnal Contract

    WHY THIS

    Shares choice driven narrative, visual novel style, adult content and an atmospheric mood with Knockout Master.

    Ranked #7 for Knockout Master fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Knockout Master.

    What was supposed to be a simple summer break takes an unexpected twist when you find yourself trapped in a strange game where you need to fulfill challenges. Carnal challenges.

    2025ActionAdventureRPG14.99 USDSteam ↗
  8. Helping the Hotties

    WHY THIS

    Shares branching narrative and a dark mood with Knockout Master.

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

    Helping the Hotties is a unique adult visual novel harem game filled with gorgeous girls, humor, exciting secrets, and spicy romance set in a hot summer. It’s time to enjoy your summer in a whole new way.

    2023ActionIndieAdventure14.99 USDSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~58% under Knockout Master on Steam right now. Shares Indie and Simulation with Knockout Master.

    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 ~58% under Knockout Master on Steam right now. Shares Indie with Knockout Master.

    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. Slay the Spire

    WHY THIS

    Priced ~48% under Knockout Master on Steam right now. Shares Indie with Knockout Master.

    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 ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~58% under Knockout Master on Steam right now. Shares Indie and Simulation with Knockout Master.

    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 ~58% under Knockout Master on Steam right now. Shares Indie with Knockout Master.

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

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~92% under Knockout Master on Steam right now. Shares Indie and Adventure with Knockout Master.

    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 ~75% under Knockout Master on Steam right now. Shares Indie and Simulation with Knockout Master.

    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. OneShot

    WHY THIS

    Priced ~50% under Knockout Master on Steam right now. Shares Indie and Adventure with Knockout Master.

    OneShot is a surreal top down Puzzle/Adventure game with unique gameplay capabilities. You are to guide a child through a mysterious world on a mission to restore its long-dead sun. The world knows you exist.

    2016IndieAdventureCasual5.99 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 Knockout Master.

    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 Knockout Master.

    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 Knockout Master.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  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 Knockout Master.

    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 Indie and Simulation with Knockout Master.

    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 Indie and Adventure with Knockout Master.

    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. Our Life: Beginnings & Always

    WHY THIS

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

    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 ↗
  8. missed messages.

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Knockout Master.

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

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗

More from MooN

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

  1. Fizz Quiz

    WHY THIS

    Another title from MooN, the studio behind Knockout Master.

    FizzQuiz is a trivia game with over 100 topics and 10,000 questions. Play alone or with up to 10 friends in seven unique rounds, featuring questions in text, images, models, and audio formats. Test your knowledge, earn points, and defeat your friends. FizzQuiz – challenge your intellect!

    2025StrategyMassively MultiplayerCasual14.99 USDDeck PlayableSteam ↗
  2. Shh! This is a mystery game! But watch out for spoilers

    WHY THIS

    Another title from MooN, the studio behind Knockout Master. Shares Indie and Simulation with Knockout Master.

    Reasoning... It's annoying.... I want to go home and play with Sara...❤ So please help me......

    2023IndieSimulationCasual5.99 USDSteam ↗
  3. Hatters

    WHY THIS

    Another title from MooN, the studio behind Knockout Master. Shares Adventure with Knockout Master.

    Hatters is a cooperative bullet hell roguelike for up to 4 players. Random spells of five elements, magical artifacts, new heroes and a light story with humor. Chaotic battles where magic and laughter fly everywhere.

    2026ActionAdventureRPG6.99 USDSteam ↗

Frequently asked about Knockout Master

Does Knockout Master run on Steam Deck?
Knockout Master 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 Knockout Master cost?
Knockout Master is listed on Steam at 11.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Knockout Master?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Knockout Master are Fate and Life: The Mystery of Vaulinhorn, Sassy Girl, It Was Raining That Night.
Who developed Knockout Master?
Knockout Master was developed by MooN.

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 Knockout Master.

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