IMHO.

Single-player games like Trigon: Space Story

Below are 8 single-player Steam games similar to Trigon: Space Story, 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 Trigon: Space Story page.

Ranked picks

  1. 1
    Void War — Steam game cover

    Void War

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy and Simulation with Trigon: Space Story.

    Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.

    2025StrategyIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    The Long Journey Home — Steam game cover

    The Long Journey Home

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy and Simulation with Trigon: Space Story.

    The Long Journey Home combines an open world full of galaxies, planets and anomalies with quests and mechanics of a rogue-like RPG. One destination. Endless adventures. Where will this journey take you?

    2017StrategyIndieSimulation9.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    FTL: Faster Than Light — Steam game cover

    FTL: Faster Than Light

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy and Simulation with Trigon: Space Story.

    This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.

    2012StrategyIndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Tharsis — Steam game cover

    Tharsis

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy and RPG with Trigon: Space Story.

    Succeeding in Tharsis requires you to make the best of what you have, even if it happens to be a pair of snake eyes. Certain factors may be outside of your control, but that doesn’t mean they can’t be overcome. Tharsis is not a game about facing the odds. It’s a game about changing them.

    2016StrategyIndieRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Corpoct — Steam game cover

    Corpoct

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy with Trigon: Space Story.

    Test your wits as well as your ability to lead an expedition in this deep space dungeon-crawler. Hire the best heroes and villains of the galaxy. Find unknown planets in uncharted space. Start small, plan big and get a fleet of warships capable enough to rival most fearsome enemies.

    2019ActionStrategyIndie3.99 USDSingle-playerSimilar games →
  6. 6
    Crying Suns — Steam game cover

    Crying Suns

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy with Trigon: Space Story.

    Crying Suns is a tactical rogue-lite that puts you in the role of a space fleet commander as you explore a mysteriously fallen empire. In this story rich experience inspired by Dune and Foundation, each successful run will uncover the truth about the Empire... and yourself as well.

    2019StrategyIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Desktop Dungeons: Rewind — Steam game cover

    Desktop Dungeons: Rewind

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy with Trigon: Space Story.

    Desktop Dungeons: Rewind bestows bites of tactical roguelike action, which will quickly fester into a deep, lingering, and strategic obsession. Bargain with gods, equip your spoon and pick your battles, before retreating into the healing darkness. But beware… there are still many monsters to face!

    2023StrategyIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Dungeon of the ENDLESS™ — Steam game cover

    Dungeon of the ENDLESS™

    Single-player alternative to Trigon: Space Story — playable solo, no multiplayer required. Shares Strategy and RPG with Trigon: Space Story.

    Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...

    2014StrategyIndieAdventure11.99 USDDeck PlayableSingle-playerSimilar games →