IMHO.

Games like Once Upon a Galaxy

If Once Upon a Galaxy is your kind of game, the closest matches are Astralight: Pilgrim's Duel, Norectus: Theatre of War and Planks Wars — picked from the ranked list below. Reviewers single out its competitive, contemplative and funny. 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 Once Upon a Galaxy: ONCE UPON A GALAXY is an easy to learn Card Battler with incredible strategic depth and near infinite fun! Which of your favorite characters from myth and fairy tale will you choose?

2025StrategyIndieFree To PlayCasualFree to playDeck PlayableWindows · macOSby Million Dreams Games
Once Upon a Galaxy — Steam game cover
Players highlight
Asynchronous gameplay goes at your own paceAsynchronous lobbies reduce frustration from bad luckCaptain variety keeps each run feeling differentCompetitiveContemplativeFunny

Players who liked Once Upon a Galaxy also play

Steam players who put hours into Once Upon a Galaxy 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. Astralight: Pilgrim's Duel

    WHY THIS

    Top pick for Once Upon a Galaxy fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon a Galaxy.

    Build your deck, then watch it fight for you. Recruit legendary champions, arrange them across the battlefield, and unleash cosmic spells — then sit back as your side-view formation auto-battles rivals across the universe's most strategic deck-building battler.

    2026StrategyIndieFree To PlayFreeSteam ↗
  2. Norectus: Theatre of War

    WHY THIS

    Second-strongest match for Once Upon a Galaxy fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Free To Play with Once Upon a Galaxy.

    A free-to-play strategy card game where five nations wage war. Build a deck around your Leader, then battle through ranked duels, a 100-floor roguelike, co-op bosses, and clan wars, plus Leader Clash, a full auto-battler mode built into the game.

    2026StrategyMassively MultiplayerRPGFreeSteam ↗
  3. Planks Wars

    WHY THIS

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

    Planks Wars is a fast, irreverent cross-platform PvP card battler where 200-foot-tall sorcerers use kidnapped adventurers as tournament pawns. Build your strategy with CCG-style deckbuilding, command your puppets... I mean, heroes, and climb the ranks.

    2026StrategyIndieRPGSteam ↗
  4. The Legacy of Shadow's Bane TCG

    WHY THIS

    Ranked #4 for Once Upon a Galaxy fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon a Galaxy.

    Based on the book "The Legacy of Shadow's Bane" featuring characters from the first book of the series along with many new characters yet to be introduced. This game features a single player adventure mode, single player versus mode (against AI), and online multiplayer with global rankings. 

    2026ActionStrategyIndie14.99 USDSteam ↗
  5. Storybook Brawl

    WHY THIS

    Shares a lighthearted mood with Once Upon a Galaxy.

    Ranked #5 for Once Upon a Galaxy fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Free To Play with Once Upon a Galaxy.

    Draft your favorite characters from story and myth in this 8-player autobattler! Over 40 different heroes to command. Will you side with the evil vampire, Snow Wight? Or team up with the good Princess Peep and her battle hardened sheep? Deep strategy meets enchanting fun in Storybook Brawl!

    2021StrategyFree To PlayCasualDeck PlayableSteam ↗
  6. Blast

    WHY THIS

    Ranked #6 for Once Upon a Galaxy fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Free To Play with Once Upon a Galaxy.

    Take on your opponents in strategic 5-minute duels! Collect over 800 unique cards, master 7 elements and their synergies, and dominate the board in this free-to-play tactical card game. PC and Mobile - Cross-play enabled!

    StrategyFree To PlayCasualFreeSteam ↗
  7. Eternal Card Game

    WHY THIS

    Shares a competitive mood with Once Upon a Galaxy.

    Ranked #7 for Once Upon a Galaxy fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Free To Play with Once Upon a Galaxy.

    Six-guns and sorcery collide in Eternal, the new strategy card game of unlimited choices and unbelievable fun. Eternal brings AAA pace and polish to the infinite possibilities of a deep strategy card game. The only limits are your own creativity.

    2018StrategyMassively MultiplayerFree To PlayFreeDeck PlayableSteam ↗
  8. MARVEL SNAP

    WHY THIS

    Shares a competitive mood with Once Upon a Galaxy.

    Ranked #8 for Once Upon a Galaxy fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Free To Play with Once Upon a Galaxy.

    MARVEL SNAP is everything you know and love about Collectible Card Games, but faster… Like WAY faster. You can enjoy all of the high stakes PvP strategy and deck building without having to watch your opponent play solitaire. Now THIS is what free-to-play should be.

    2023StrategyFree To PlayCasualFreeDeck PlayableSteam ↗

Frequently asked about Once Upon a Galaxy

Does Once Upon a Galaxy run on Steam Deck?
Once Upon a Galaxy is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
Is Once Upon a Galaxy free to play?
Yes — Once Upon a Galaxy is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
Does Once Upon a Galaxy have multiplayer or co-op?
Yes — Once Upon a Galaxy supports multi-player play according to its Steam store listing (Multi-player, Cross-Platform Multiplayer, Online PvP).
What games are most similar to Once Upon a Galaxy?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Once Upon a Galaxy are Astralight: Pilgrim's Duel, Norectus: Theatre of War, Planks Wars.
Who developed Once Upon a Galaxy?
Once Upon a Galaxy was developed by Million Dreams Games.

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 Once Upon a Galaxy.

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