IMHO.

Single-player games like Touhou Koi-Mystery: Legend and Fantasy of Monsters

Below are 8 single-player Steam games similar to Touhou Koi-Mystery: Legend and Fantasy of Monsters, 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 Touhou Koi-Mystery: Legend and Fantasy of Monsters page.

Ranked picks

  1. 1
    Ten Rings 2 — Steam game cover

    Ten Rings 2

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Strategy and Indie with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    A turn-based RPG where every character is built from 10 freely combined rings. Stats, skills, roles, and even enemy abilities come from rings, letting you mix classes and rebuild your party your way.

    2026StrategyIndieAdventure10.00 USDSingle-playerSimilar games →
  2. 2
    Fallen Isekai — Steam game cover

    Fallen Isekai

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Strategy and Indie with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    Fallen Isekai is a three-lane tactical card roguelike. Play as Lin Mo, recruit heroes from five races, build your deck, command units across three lanes, conquer the tower, and find a way back to reality.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  3. 3
    Astral Throne II: Age of the Phoenix — Steam game cover

    Astral Throne II: Age of the Phoenix

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Strategy and RPG with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    How many times are you willing to die for revenge? Rise from the ashes to uncover a divine conspiracy in this Roguelite Strategy RPG inspired by the classics. Lead an ever-growing team on a continent-spanning quest, fight tactical turn-based battles, and synergize your skills for decisive victory.

    StrategyRPGSingle-playerSimilar games →
  4. 4
    Voice of Belldona — Steam game cover

    Voice of Belldona

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Strategy and Indie with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    A sci-fantasy roguelite deckbuilder set in a world collapsing under cosmic instability. To stop the turmoil, humanity created a white-haired, godlike girl with overwhelming power and social anxiety. Enter the Vortex Zone, summon your allies, form your battle line, and tear through the enemy forces.

    2026StrategyIndieAdventure10.79 USDSingle-playerSimilar games →
  5. 5
    Demon Lord: Just a Block — Steam game cover

    Demon Lord: Just a Block

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Strategy and Indie with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    Seek revenge on fantasy heroes as a reborn Demon Lord! Dive into this satisfying roguelite action game where the world only moves when you do. Plan your moves step by step or play swiftly with quick dodges and parries, colliding with enemies to land powerful attacks!

    2026ActionStrategyIndie11.69 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Halluci-Sabbat of Koishi — Steam game cover

    Halluci-Sabbat of Koishi

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Indie and Adventure with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    Touhou Project, Komeiji Koishi's Action Game, with collision between sword and magic! Help Marisa hold a Sabbat of witches, and explore the way of treasure hunt with wisdom and strength. On the day of the war, there is the glory of death and no shame of life.

    2024ActionIndieAdventure4.39 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Black & White — Steam game cover

    Black & White

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Strategy and Indie with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    "Black & White" is a dystopian visual novel + war chess game: black and white, sensibility and reason, freedom and order: follow your beliefs and join your camp.

    2023StrategyIndieAdventure14.99 USDSingle-playerSimilar games →
  8. 8
    Persona 3 Reload — Steam game cover

    Persona 3 Reload

    Single-player alternative to Touhou Koi-Mystery: Legend and Fantasy of Monsters — playable solo, no multiplayer required. Shares Strategy and Adventure with Touhou Koi-Mystery: Legend and Fantasy of Monsters.

    Dive into the Dark Hour and awaken the depths of your heart. Persona 3 Reload is a captivating reimagining of the genre-defining RPG, reborn for the modern era with cutting-edge graphics and gameplay.

    2024StrategyAdventureRPG23.99 USDDeck VerifiedSingle-playerSimilar games →