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

Interstellar Rift
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Action and Indie with Starlathe.
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
- 2

StarMade
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Action and Strategy with Starlathe.
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
- 3

Drifter
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Action and Indie with Starlathe.
Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.
- 4

X3: Terran Conflict
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Action and Strategy with Starlathe.
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
- 5

The Infected
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Action and Indie with Starlathe.
The Infected is a sandbox, first-person, open-world survival game. Build bases, craft, farm, hunt, and survive changing seasons. Choose whether to face the hybrid “Vambies” or turn them off for a pure survival experience.
- 6

SAELIG
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Strategy and Indie with Starlathe.
SÆLIG is a game that blends together elements of simulation, strategy, RPG, and business management. Centred around the life of you and your family, you must try to survive and bring wealth and prosperity to your household.
- 7

Junkyard Simulator
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Strategy and Indie with Starlathe.
Did you ever wish to work in a junkyard? Now you can, with Junkyard Simulator. They are many roads leading to success - whichever you take depends on your decisions.
- 8

Celestial Command
Single-player alternative to Starlathe — playable solo, no multiplayer required. Shares Action and Strategy with Starlathe.
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.