IMHO.

Free games like Heroes of Science and Fiction

Below are 8 free-to-play Steam games similar to Heroes of Science and Fiction, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Heroes of Science and Fiction page.

Ranked picks

  1. 1
    Grimm's Hollow — Steam game cover

    Grimm's Hollow

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Indie and RPG with Heroes of Science and Fiction.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
  2. 2
    Tails Noir: Prologue — Steam game cover

    Tails Noir: Prologue

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Indie and RPG with Heroes of Science and Fiction.

    Tails Noir: Prologue is the first act of a post-noir narrative adventure. Become raccoon private eye Howard Lotor and explore dystopian Vancouver inhabited by animals as you uncover a deeply personal story of change and transformation.

    2019IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
  3. 3
    of the Devil — Steam game cover

    of the Devil

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Indie with Heroes of Science and Fiction.

    Immerse yourself in neon, smoke, and high-stakes legal gambles as a Defense Attorney with uniquely Killer insights in this episodic, diabolically stylish visual novel adventure game.

    2025IndieAdventureFreeDeck VerifiedFree to playSimilar games →
  4. 4
    Die in the Dungeon: Origins — Steam game cover

    Die in the Dungeon: Origins

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Strategy and Indie with Heroes of Science and Fiction.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedFree to playSimilar games →
  5. 5
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Strategy and Indie with Heroes of Science and Fiction.

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  6. 6
    The Last Sovereign — Steam game cover

    The Last Sovereign

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Strategy and Indie with Heroes of Science and Fiction.

    Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

    2025StrategyIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  7. 7
    SCP – Containment Breach — Steam game cover

    SCP – Containment Breach

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Indie with Heroes of Science and Fiction.

    A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?

    2026ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  8. 8
    Splitgate — Steam game cover

    Splitgate

    Free-to-play alternative to Heroes of Science and Fiction — no purchase or trial window. Shares Indie with Heroes of Science and Fiction.

    Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.

    2019ActionIndieFree To PlayFreeFree to playSimilar games →