IMHO.

Single-player games like Slime Kingdom: The Tale of the Slime That Became a Hero

Below are 9 single-player Steam games similar to Slime Kingdom: The Tale of the Slime That Became a Hero, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Slime Kingdom: The Tale of the Slime That Became a Hero page.

Ranked picks

  1. 1
    CharmEdge Deck — Steam game cover

    CharmEdge Deck

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Strategy and RPG with Slime Kingdom: The Tale of the Slime That Became a Hero.

    A laid-back casual roguelike-DBG game! As a genius mage-swordsman apprentice, build your magic deck, wield Enchantments and Skills, and teach that snarky young mentor a lesson!

    2026StrategyIndieRPG1.97 USDSingle-playerSimilar games →
  2. 2
    Deckrage — Steam game cover

    Deckrage

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Strategy and RPG with Slime Kingdom: The Tale of the Slime That Became a Hero.

    A grim single-player card-based tactical RPG where you assemble a party of four heroes, chart dangerous expeditions, and survive brutal battles by managing formation, stress, and resources.

    2027StrategyIndieRPGSingle-playerSimilar games →
  3. 3
    Showdown of Luck — Steam game cover

    Showdown of Luck

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Strategy with Slime Kingdom: The Tale of the Slime That Became a Hero.

    This is a PvP auto-battler game that blends deck-building with slot machine mechanics. Players purchase cards and symbols to assemble their own game machine and battle, with the core lying in the clever combination of cards and symbols. Spin fate, build victory!

    StrategyIndieSingle-playerSimilar games →
  4. 4
    心镇图书馆 HeartLib — Steam game cover

    心镇图书馆 HeartLib

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Strategy and RPG with Slime Kingdom: The Tale of the Slime That Became a Hero.

    As the new Librarian of Heart‑Lib, you wield the power of Books. Using the Mind‑Beacon as your anchor, deploy Illustrations, Pages and Reflections to repel the invaders of Heart‑Lib.

    StrategyRPGSingle-playerSimilar games →
  5. 5
    POKOR — Steam game cover

    POKOR

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Strategy and RPG with Slime Kingdom: The Tale of the Slime That Became a Hero.

    POKOR is a story-driven roguelike tactical turn-based card RPG. Players take on the role of Heart, commanding a deck of playing card soldiers to engage in turn-based battles against enemies as they venture deeper into a vast, pale, and ever-changing palace to uncover the truth and the true self.

    StrategyIndieSimulationSingle-playerSimilar games →
  6. 6
    K-Duel: The Anti-Cheater — Steam game cover

    K-Duel: The Anti-Cheater

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Strategy and RPG with Slime Kingdom: The Tale of the Slime That Became a Hero.

    Face ruthless cheaters who break every rule. To survive this brutal tactical card battler, you must out-think the hackers. Position units down strategic rows and use instant fusion to evolve cards into colossal boss monsters. Fight hard, fuse power, and destroy the rigged system.

    StrategyIndieRPGSingle-playerSimilar games →
  7. 7
    Craftaway: Tactics — Steam game cover

    Craftaway: Tactics

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Strategy and RPG with Slime Kingdom: The Tale of the Slime That Became a Hero.

    Fight, Strategize, and Power up in this tactical roguelite with progression, equipment, card crafting, and campaigns! DEMO COMING SOON!

    StrategyIndieRPGSingle-playerSimilar games →
  8. 8
    Looters of Atlantis — Steam game cover

    Looters of Atlantis

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares RPG with Slime Kingdom: The Tale of the Slime That Became a Hero.

    Looters of Atlantis is a pirate-themed RPG with deckbuilding components. Explore the Isarn Islands to find monsters, complete quests, and find treasure. Play minigames that represent various pirating actions, such as fighting, sneaking, persuasion, deciphering maps, and naval combat.

    AdventureRPGSingle-playerSimilar games →
  9. 9
    Slime Kingdom: Idle — Steam game cover

    Slime Kingdom: Idle

    Single-player alternative to Slime Kingdom: The Tale of the Slime That Became a Hero — playable solo, no multiplayer required. Shares Casual with Slime Kingdom: The Tale of the Slime That Became a Hero.

    A casual idle game where you grow your slimes and your Slime Kingdom.

    2026IndieCasual4.99 USDSingle-playerSimilar games →