Single-player games like Astro Traveler
Below are 8 single-player Steam games similar to Astro Traveler, 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 Astro Traveler page.
Ranked picks
- 1
Celestial Routes
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action and Indie with Astro Traveler.
A sci-fi space flight, exploration, and survival game in third person. Survival is important in this universe, both physically and economically. Exploring different planets, spacestations, and debris areas, and surface facilities is the key part for scavenging and collecting materials and tools.
- 2
Galactic Command Echo Squad SE
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action and Indie with Astro Traveler.
Galactic Command Echo Squad SE is a high-end and very challenging space/planetary combat game. It offers a thrilling campaign, instant action combat sessions as well as a sandbox mode allowing you to explore the game's universe while battling hostile Insurgent forces among others.
- 3
Starship EVO
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action and Indie with Astro Traveler.
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
- 4
Elite Dangerous
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action and Adventure with Astro Traveler.
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
- 5
Rebel Galaxy Outlaw
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action and Indie with Astro Traveler.
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
- 6
Jitter
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action and Indie with Astro Traveler.
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
- 7
Starpoint Gemini 2
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action with Astro Traveler.
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
- 8
Rebel Galaxy
Single-player alternative to Astro Traveler — playable solo, no multiplayer required. Shares Action and Indie with Astro Traveler.
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.