Single-player games like Galactic Federation
Below are 9 single-player Steam games similar to Galactic Federation, 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 Galactic Federation page.
Ranked picks
- 1

DarkSpase
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Action and Indie with Galactic Federation.
Galaga meets Tie Fighter meets Elite Dangerous. A sci-fi starfighter combat sim with NASA-accurate Keplerian orbits. Voyage across the Solar System with real-time FTL. Engage Dregg swarms in dynamic PvE encounters. Outmaneuver invaders by pushing Newtonian physics to the limit at 150 m/s.
- 2

Rogue Stargun
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Action and Indie with Galactic Federation.
Rogue Stargun is an action-packed space combat sim where you pilot 5 unique starfighters with interactive VR cockpits in a story-driven single player campaign consisting of over 24 unique missions covering both land and space.
- 3

Expedition Astra
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Action and Indie with Galactic Federation.
Old machines guard silent asteroid sites across the outer solar system. Pilot a 6DoF spacecraft, fight around the rock, dock with old vessels, and touch the asteroid to extract rare materials.
- 4

Gravity in Space
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Action and Indie with Galactic Federation.
Gravity in Space is an acurate-physics-based spacecraft flight and combat simulation. Learn how to use gravitational forces to navigate through surreal worlds, while you outplay your enemies and shoot them.
- 5

Low Earth Orbit Adventures
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Simulation with Galactic Federation.
Low Earth Orbit Adventures is a chill space sim set in the near future where the space around Earth has become a frontier of science, commerce and diplomacy. Retrieve the Hubble, rescue astronauts, assemble space stations and many other missions in this realistic but friendly adventure.
- 6

Xenoform
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Action and Simulation with Galactic Federation.
On a recently-terraformed planet at the edge of human space, waves of alien invaders have suddenly appeared. Take the pilot's seat of a VTOL fighter aircraft and wipe out the alien infection!
- 7

Thrust & Shoot : Flight School
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Action and Indie with Galactic Federation.
Master a new way to fly and fight. Control every movement and engine burn. Simple controls, realistic flight: a game for space fans by a space fan.
- 8

Space Docker VR
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Indie and Simulation with Galactic Federation.
A hardcore flight simulator for VR! Get in the cockpit, pilot a ship, and navigate hazardous environments on a journey to become an expert docker!
- 9

Binarion
Single-player alternative to Galactic Federation — playable solo, no multiplayer required.
Improve your intellect with this unique puzzle game where you solve delta grid to find two binary prime factors from a given multiplication product.