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
Blackstar Ranger
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Action and Indie with Galactic Federation.
Blackstar Ranger is a high-octane and immersive first-person space shooter. From the seat of your advanced fighter, you will complete contracts for BLACKSTAR, the most esteemed Private Military Faction in the solar system. With 6DOF capability, you will battle threats throughout the system.
- 6
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.
- 7
Sylph
Single-player alternative to Galactic Federation — playable solo, no multiplayer required. Shares Simulation with Galactic Federation.
Operate a spacecraft at the edge of a singularity. Use realistic orbital mechanics and Newtonian physics to explore a star system around a black hole and what lies beyond.
- 8
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!
- 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.