Single-player games like Spacecraft Tactics
Below are 8 single-player Steam games similar to Spacecraft Tactics, 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 Spacecraft Tactics page.
Ranked picks
- 1

Cosmoteer: Starship Architect & Commander
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacecraft Tactics.
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
- 2

Sins of a Solar Empire: Trinity®
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Strategy and Indie with Spacecraft Tactics.
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
- 3

Evochron Legacy SE
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Indie and Simulation with Spacecraft Tactics.
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
- 4

Cobalt Core
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Strategy and Indie with Spacecraft Tactics.
A sci-fi roguelike deckbuilder with a deep new single-axis spin on tactics games! Dodge missiles, line up your cannons, and blast 'em out of the sky... Then get to the bottom of these time loops, before it's too late!
- 5

Empyrion - Galactic Survival
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Strategy and Indie with Spacecraft Tactics.
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
- 6

Halcyon 6: Starbase Commander
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Strategy and Indie with Spacecraft Tactics.
Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.
- 7

Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Strategy and Indie with Spacecraft Tactics.
A retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling. Halcyon 6: Lightspeed Edition is a massively enhanced version of the Award Winning indie strategy RPG, Halcyon 6.
- 8

Sins of a Solar Empire®: Rebellion
Single-player alternative to Spacecraft Tactics — playable solo, no multiplayer required. Shares Strategy and Indie with Spacecraft Tactics.
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.