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

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.
- 2

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?
- 3

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.
- 4

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.
- 5

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.
- 6

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.
- 7

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!
- 8

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...