Single-player games like X3: Reunion
Below are 11 single-player Steam games similar to X3: Reunion, 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 X3: Reunion page.
Ranked picks
- 1
X3: Terran Conflict
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
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!
- 2
X2: The Threat
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
- 3
X: Beyond the Frontier
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
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.
- 4
X4: Foundations
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
- 5
X: Tension
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.
- 6
Elite Dangerous
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
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.
- 7
Evochron Mercenary
Single-player alternative to X3: Reunion — playable solo, no multiplayer required.
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
- 8
Starpoint Gemini 2
Single-player alternative to X3: Reunion — playable solo, no multiplayer required.
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.
- 9
X Rebirth
Single-player alternative to X3: Reunion — playable solo, no multiplayer required.
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
- 10
Void Destroyer 2
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
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.
- 11
X Rebirth VR Edition
Single-player alternative to X3: Reunion — playable solo, no multiplayer required.
X Rebirth VR Edition is tailored to be an immersive VR experience, based on X Rebirth: Home of Light. TRADE, FIGHT, BUILD, THINK in the X Universe - the biggest sandbox this side of the galaxy.