IMHO.

Games like Castle V Castle

If Castle V Castle is your kind of game, the closest matches are Fatal Dopamine/ 致命多巴胺, Alegraz and Kingdom of Ashes - Fallen Era — 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 Castle V Castle: A stylish single player 1v1 card game funded and supported by Slay the Spire's Casey Yano and inspired by browser classic Castle Wars. Build up your castle and knock down your opponent's brick by brick!

ActionStrategyIndieCasualWindowsby Nopopo
Castle V Castle — Steam game cover

Players who liked Castle V Castle also play

Steam players who put hours into Castle V Castle 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. Fatal Dopamine/ 致命多巴胺

    WHY THIS

    Top pick for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Castle V Castle.

    Play as a nameless gambler who arrives at a mysterious gambling table, constantly challenging different opponents. At this table, the stakes are not money but life itself.

    2026StrategySteam ↗
  2. Alegraz

    WHY THIS

    Second-strongest match for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Castle V Castle.

    In this card game, you are the creator of your own deck. Alegraz is a roguelite strategy card game where you personally shape your cards in every run. Each run progresses with a deck built entirely from scratch, driven by the choices you make along the way.

    StrategyIndieSteam ↗
  3. Kingdom of Ashes - Fallen Era

    WHY THIS

    Third-strongest match for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Castle V Castle.

    A single-player roguelike deck-builder set in a fallen kingdom. Draft cards, chain elemental resonances, fight through procedural maps of battles, shrines, and bosses. Spend Ash at the Forge for permanent upgrades. Eight heroes, brutal Ascension tiers.

    2026StrategyIndie8.09 USDSteam ↗
  4. Last Spell Book

    WHY THIS

    Ranked #4 for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Castle V Castle.

    Last Spell Book is a Rogue Lite Deck builder strategy game where the randomness becomes less with each run as you learn routes, event outcomes and most importantly, spells.

    2026ActionStrategyAdventure2.99 USDSteam ↗
  5. Rogue Paper Scissors

    WHY THIS

    Ranked #5 for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Castle V Castle.

    What if Rock-Paper-Scissors became a roguelite extraction deckbuilder? You'll build a deck of deadly choices, master bizarre traits, and craft powerful hybrid cards. Extract your loot, or risk everything for the next floor. Sometimes, the best strategy is knowing when to run.

    2025StrategyIndieEarly Access3.99 USDSteam ↗
  6. Piroker

    WHY THIS

    Ranked #6 for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Castle V Castle.

    Poker turned into pirate mayhem. Build powerful relics, discover unique builds, and adapt your tactics to dominate the Seven Seas.

    StrategyIndieCasualSteam ↗
  7. Joey's Nightmare II

    WHY THIS

    Ranked #7 for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Castle V Castle.

    Joey’s Nightmare II is a cartoon-style roguelite deckbuilding card battler set inside a bizarre and dangerous dream. Battle monkeys, donkeys, turkeys, and undead horrors, build powerful card combos, and fight your way through a nightmare that changes every run.

    2026StrategyIndieAdventure7.99 USDSteam ↗
  8. Pirate Pillage and Plunder

    WHY THIS

    Ranked #8 for Castle V Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Castle V Castle.

    PIRATE PILLAGE & PLUNDER is the unique blend of card game and auto battler, wrapped together in a neat roguelike package. Choose your faction, amass an army from thousands of "willing" participants, and lead them to greatness! (or agonizing defeat)

    2026StrategyIndieCasualSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Disfigure

    WHY THIS

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

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableSteam ↗
  2. The Lab

    WHY THIS

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

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  3. Die in the Dungeon: Origins

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Castle V Castle.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedSteam ↗
  4. Epic Battle Fantasy 3

    WHY THIS

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

    Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!

    2016IndieAdventureRPGFreeDeck PlayableSteam ↗
  5. NERTS! Online

    WHY THIS

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

    NERTS! Online is a fast-paced competitive solitaire game for you and up to five of your friends, played the same way we play it at the Zachtronics office!

    2021ActionIndieFree To PlayFreeSteam ↗
  6. Mizi NO!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Castle V Castle.

    In this free 2D puzzle game, you must reassemble broken objects that your cat has knocked over.

    2024IndieCasualFreeDeck PlayableSteam ↗
  7. A Park Full of Cats

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Castle V Castle.

    Welcome to 'A Park Full of Cats,' a hidden object game that invites you to revel in the enchanting world of amusement parks! Experience the thrill and excitement of the rides and give those cats the fun they truly deserve!

    2024IndieCasualFreeDeck VerifiedSteam ↗
  8. REFLEXIA Prototype ver.

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Castle V Castle.

    REFLEXIA's story starts out as a parody of its genre and ends as a psychological drama.

    2022IndieFree To PlayCasualFreeDeck VerifiedSteam ↗

Frequently asked about Castle V Castle

What games are most similar to Castle V Castle?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Castle V Castle are Fatal Dopamine/ 致命多巴胺, Alegraz, Kingdom of Ashes - Fallen Era.
Who developed Castle V Castle?
Castle V Castle was developed by Nopopo and published by Future Friends Games, Outersloth.

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 Castle V Castle.

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