Single-player games like Stardust Origins
Below are 10 single-player Steam games similar to Stardust Origins, 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 Stardust Origins page.
Ranked picks
- 1

Rebel Galaxy
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Adventure and Simulation with Stardust Origins.
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.
- 2

X: Beyond the Frontier
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Strategy and Simulation with Stardust Origins.
The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other worlds, but there was a fault in their programming and they turned and attacked. Forcing us to lay a trap to protect Earth and exiling the Human race to stay on Earth once again.
- 3

X3: Terran Conflict
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Strategy and Simulation with Stardust Origins.
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!
- 4

Gaia Beyond
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Adventure and Simulation with Stardust Origins.
Gaia Beyond is a handcrafted 2D Action-RPG, an exploration mix built around the core features fighting, mining and trading. Your decisions are footprints within a vast non-linear solar system. Forge alliances among numerous factions and develop relations with hundreds of NPCs.
- 5

Void Destroyer 2
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Strategy and Adventure with Stardust Origins.
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
- 6

Objects in Space
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Strategy and Adventure with Stardust Origins.
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
- 7

Starpoint Gemini 2
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Simulation and RPG with Stardust Origins.
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

Ostranauts
Single-player alternative to Stardust Origins — playable solo, no multiplayer required. Shares Simulation and RPG with Stardust Origins.
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.
- 9

Raid on the Zone
Single-player alternative to Stardust Origins — playable solo, no multiplayer required.
Fight in a furious battle against “The Zone”, a mysterious terrorist group hell-bent on destroying the world. Cripple their defenses with your dual-prop helicopter and massive arsenal of weaponry in this retro-inspired homage to arcade games of the 80’s.
- 10

Ladder Larry
Single-player alternative to Stardust Origins — playable solo, no multiplayer required.
A challenging retro arcade platformer game, where you need to clear each level in order to progress in the game. Collect items and bonuses and outwit your opponents to reach the end goal. Climb to the top of the highscore leaderboard to brag on your friends!