IMHO.

Games like Deckmon21

If Deckmon21 is your kind of game, the closest matches are Trial of the Gods: Siralim CCG, 无怀葛天 and Dino Citadel — 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 Deckmon21: Deckmon21 is a card-based strategy roguelite game inspired by blackjack. As a Deckmon trainer, you command your three Deckmon in battles against other Deckmon, challenge the 5 major league gyms, and ultimately defeat the league champion to become the ultimate Deckmon Master!

StrategyIndieAdventureRPGWindowsby Krow Game
Deckmon21 — Steam game cover

Players who liked Deckmon21 also play

Steam players who put hours into Deckmon21 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. Trial of the Gods: Siralim CCG

    WHY THIS

    Top pick for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Deckmon21.

    Trial of the Gods is a collectible card game based in the world of Siralim. Collect over 100 creature cards with unique traits and use them to battle against the gods. Features a lengthy campaign with two difficulty modes, along with randomly generated post-game content!

    2020StrategyIndieRPG6.49 USDDeck PlayableSteam ↗
  2. 无怀葛天

    WHY THIS

    Second-strongest match for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Deckmon21.

    Wu Huai Ge Tian is a strategy card battler rooted in Eastern mythology. Place cards on a 4×6 grid, flip and capture enemy cards, harness the Five Elements, and chain numbers to turn the tide. Five races, unique card skills, deck building, and ranked play await. Every move matters.

    2026StrategyMassively MultiplayerFree To PlayFreeSteam ↗
  3. Dino Citadel

    WHY THIS

    Third-strongest match for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Deckmon21.

    Command a castle-on-a-dino through a corrupted world. Rescue fallen allies, lead them in battle, and build your deck. Manage your economy to draw cards and confront the Voidrift in this tactical roguelike deckbuilder.

    2027StrategyIndieAdventureSteam ↗
  4. Divine Sin: Death Duel

    WHY THIS

    Ranked #4 for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Deckmon21.

    A dark fantasy deckbuilding roguelike featuring a unique Clash combat system, where every duel becomes an exchange of calculated moves and deadly counters.

    StrategyIndieAdventureSteam ↗
  5. Dice & Fold

    WHY THIS

    Ranked #5 for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Deckmon21.

    A turn-based dungeon crawler where your only way of attacking the enemy is by rolling dice. Roll dice to damage enemy cards to FOLD. Inspired by classic Solitaire, in a top-down table and enemies made out of cards, try to beat the dungeon with 35 unique classes. Build your deck, kill monsters.

    2024StrategyIndieRPG5.19 USDDeck VerifiedSteam ↗
  6. Isle of Swaps

    WHY THIS

    Ranked #6 for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Deckmon21.

    Grab your cards, it's time to swap! Battle your school pals in this roguelite deckbuilder where you'll trade for new cards when you win defeat them and rip open booster packs looking for rare cards. Conquer everyones dungeon decks to become Critter Champion of the Playground!

    2024StrategyIndieRPG8.99 USDDeck PlayableSteam ↗
  7. Duelyst

    WHY THIS

    Ranked #7 for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Deckmon21.

    The depth of CCG meets the strategy of tabletop gaming in Duelyst! Every choice matters, from your General and deck to positioning on the 9x5 battleboard. Competitive head-to-head turn-based battles at its best!

    2016StrategyIndieFree To PlaySteam ↗
  8. Gold and Graves

    WHY THIS

    Ranked #8 for Deckmon21 fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Deckmon21.

    Gold and Graves is a roguelike extraction game where you bribe enemies to recruit them as allies, escape the dungeon, and bring back cards, relics, and mercenaries to your village to accumulate resources. Strengthen your deck and forces with the resources you gather and challenge deeper dungeons.

    2025StrategyIndie4.79 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Deckmon21.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  2. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Deckmon21.

    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 ↗
  3. Sheepy: A Short Adventure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Deckmon21.

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. NGU IDLE

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Deckmon21.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗
  5. Travellin Cats in Paris

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Deckmon21.

    Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!

    2023IndieFree To PlayCasualFreeDeck VerifiedSteam ↗
  6. Grimm's Hollow

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Deckmon21.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  7. The Expendabros

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Deckmon21.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗
  8. Star Fetchers

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Deckmon21.

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗

Frequently asked about Deckmon21

What games are most similar to Deckmon21?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Deckmon21 are Trial of the Gods: Siralim CCG, 无怀葛天, Dino Citadel.
Who developed Deckmon21?
Deckmon21 was developed by Krow Game.

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 Deckmon21.

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