IMHO.

Single-player games like Portal Fantasy

Below are 8 single-player Steam games similar to Portal Fantasy, 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 Portal Fantasy page.

Ranked picks

  1. 1
    Monster Sanctuary — Steam game cover

    Monster Sanctuary

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Strategy and Indie with Portal Fantasy.

    Monster taming meets metroidvania. Collect, train and battle monsters in a lovely side-scroller pixel world.

    2020ActionStrategyIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Beastieball — Steam game cover

    Beastieball

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Indie and Adventure with Portal Fantasy.

    A turn-based volleyball RPG where you coach a sports team of Beasties! Your Beasties' relationships grow and change, unlocking new abilities and combo plays!

    2024SportsIndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Yami Kids — Steam game cover

    Yami Kids

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Strategy and Indie with Portal Fantasy.

    Play as "The Yami Twins" and uncover the mystery behind your family's killers. Yami Kids is a tale of tragedy, familial bonds, and revenge. Face off against trainers in "Shadow Duels", and make contracts with Oni to aid you on your quest.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  4. 4
    Coromon — Steam game cover

    Coromon

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Strategy and Indie with Portal Fantasy.

    Coromon is a modern take on the classic monster-taming genre. Tame Coromon and explore a vast world filled with thrilling turn-based battles, brain-twisting puzzles, and a mysterious threat to the world awaiting defeat. Nobody said being a Battle Researcher was easy!

    2022StrategyIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Monster Alchemy — Steam game cover

    Monster Alchemy

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Strategy and Indie with Portal Fantasy.

    Create unique creatures, use them to gather rare resources, and fuse them into even more powerful beings! This RPG combines classic exploration with a deep crafting system where your monsters are your ultimate tool for looting, combat, and discovery.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  6. 6
    Astra Bestiary — Steam game cover

    Astra Bestiary

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Adventure and RPG with Portal Fantasy.

    Raise Beasts from eggs into powerful Champions in this 2D monster-raising/taming RPG. Feed, train and evolve your partners to explore a perilous, non-linear world. Master fast-paced, tactical battles, uncover the secrets of a fading world and pass on the Beasts' legacy across generations.

    2026AdventureSimulationRPGSingle-playerSimilar games →
  7. 7
    Monster Emblem: Vision Impossible — Steam game cover

    Monster Emblem: Vision Impossible

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Strategy and Indie with Portal Fantasy.

    A 2D pixel art creature collector set in a medieval fantasy world forged by war. Catch, train, evolve, and breed monsters to build the ultimate team. Master tactical grid-based combat, collect all faction badges to enter the the Great Monster Arena to become the champion.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  8. 8
    Monster Hunter Stories 2: Wings of Ruin — Steam game cover

    Monster Hunter Stories 2: Wings of Ruin

    Single-player alternative to Portal Fantasy — playable solo, no multiplayer required. Shares Adventure and RPG with Portal Fantasy.

    A new adventure awaits you in this second installment of the turn-based RPG series set in the world of Monster Hunter! Become a Rider and form bonds with friendly monsters known as Monsties to fight alongside them as you take part in an epic story.

    2021AdventureRPG39.99 USDDeck VerifiedSingle-playerSimilar games →