Single-player games like X3: Reunion
Below are 10 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
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.
- 2
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!
- 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
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.
- 5
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.
- 6
Capital Command
Single-player alternative to X3: Reunion — playable solo, no multiplayer required. Shares Strategy with X3: Reunion.
Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.
- 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
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.
- 9
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.
- 10
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.