IMHO.

Single-player games like Astrea: Six-Sided Oracles

Below are 10 single-player Steam games similar to Astrea: Six-Sided Oracles, 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 Astrea: Six-Sided Oracles page.

Ranked picks

  1. 1
    SpellRogue — Steam game cover

    SpellRogue

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    SpellRogue is the ultimate tactical turn-based roguelike! Draft from over 350 powerful spells to assemble the perfect combination and crush your enemies in 70+ unique encounters. Face brutal choices, adapt to impossible odds, and strike back at the horrors that destroyed the world.

    2025StrategyIndieRPG9.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Monster Train — Steam game cover

    Monster Train

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy with Astrea: Six-Sided Oracles.

    Monster Train is a strategic roguelike deck building game with a twist. Set on a train to hell, you’ll use tactical decision making to defend multiple vertical battlegrounds. With real time competitive multiplayer and endless replayability, Monster Train is always on time.

    2020Strategy4.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Dice & Fold — Steam game cover

    Dice & Fold

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    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 VerifiedSingle-playerSimilar games →
  4. 4
    Wildfrost — Steam game cover

    Wildfrost

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    Take on the elements in Wildfrost, a tactical roguelike deckbuilder! Journey across a frozen tundra, collecting cards strong enough to banish the eternal winter…

    2023StrategyIndie11.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    StarVaders — Steam game cover

    StarVaders

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    Pilot a powerful mech to fight off the alien invasion in this ULTIMATE fusion of deckbuilding and grid-based tactics. Discover game-breaking combos, rewind time to alter your fate, and protect the future of humanity in this endlessly replayable roguelike.

    2025StrategyIndieAdventure17.49 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Roguebook — Steam game cover

    Roguebook

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    Embrace the challenge of a roguelike deckbuilder with unique mechanics from the developers of Faeria and Richard Garfield, creator of Magic: The Gathering™. Build a team of two heroes, unleash powerful combos and defeat the legends of the Roguebook!

    2021StrategyIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    LONESTAR — Steam game cover

    LONESTAR

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    LONESTAR is a strategic Roguelike spaceship deckbuilder. As a bounty hunter, you will capture criminals scattered across the universe. Win the shockwave battle to gain rewards and vacations. Find treasures, customize spaceships, unlock talents, defeat the felons and be a legend!

    2025StrategyIndieAdventure12.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Pirates Outlaws — Steam game cover

    Pirates Outlaws

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    Pirates Outlaws is a roguelike card game in which you navigate dangerous seas and challenge their masters. Your expedition will be full of ambushes and will not be easy. Build your deck and combos to become a reputed pirate.

    2020StrategyIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Slay the Spire — Steam game cover

    Slay the Spire

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Solitairica — Steam game cover

    Solitairica

    Single-player alternative to Astrea: Six-Sided Oracles — playable solo, no multiplayer required. Shares Strategy and Indie with Astrea: Six-Sided Oracles.

    Solitairica takes RPG combat and challenging roguelike progression to a fresh new place—the world of solitaire! Using a variety of magical items and powerful spells, battle your way through a horde of ever-changing enemies and defeat the horrible Emperor Stuck.

    2016StrategyIndieRPG2.99 USDDeck VerifiedSingle-playerSimilar games →