Single-player games like Out of Orbit
Below are 9 single-player Steam games similar to Out of Orbit, 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 Out of Orbit page.
Ranked picks
- 1

Ostranauts
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Indie and RPG with Out of Orbit.
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
- 2

Rank: Warmaster
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Action and Strategy with Out of Orbit.
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
- 3

Starpoint Gemini 3
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Action and Indie with Out of Orbit.
Fight, loot, explore and craft in the living open world of Starpoint Gemini 3. Assemble your trusty ship and boost your RPG skills to face all challenges.
- 4

Star Shelter
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Action and Indie with Out of Orbit.
Star shelter is a space survival game built from the ground up for VR. You are stranded in space, you must climb around in Zero-G, explore, scavenge, craft, hack and fight to survive. You have to build, arm and upgrade your own space station in order to escape the cosmic graveyard.
- 5

Starpoint Gemini Warlords
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Action and Strategy with Out of Orbit.
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
- 6

QANGA
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Action and Indie with Out of Orbit.
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
- 7

GRAV
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Action and Indie with Out of Orbit.
GRAV is a sand box experience where you explore a multitude of planets, hunt strange alien creatures, build and defend outposts, craft weapons and armor, and attempt to survive against other players in a hostile environment.
- 8

No Man's Sky
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Action and Adventure with Out of Orbit.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 9

FTL: Faster Than Light
Single-player alternative to Out of Orbit — playable solo, no multiplayer required. Shares Strategy and Indie with Out of Orbit.
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.