Single-player games like Vanguard Galaxy
Below are 9 single-player Steam games similar to Vanguard Galaxy, 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 Vanguard Galaxy page.
Ranked picks
- 1
Inspiral: Echoes of Gravity
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Indie with Vanguard Galaxy.
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
- 2
Weird Wormholes
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Indie and Casual with Vanguard Galaxy.
Weird Wormholes is a casual game about traveling through wormholes to try and get back home. Use your ship to mine planets for resources and process these resources into components to enable your travels.
- 3
Periapsis: Gravity Slingshot
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Indie with Vanguard Galaxy.
Lead humanity’s final journey beyond Earth. Launch ships, harness gravity slingshots, and explore distant star systems to make humanity multi-planetary.
- 4
Above Earth
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Indie with Vanguard Galaxy.
Above Earth is a science fiction survival game. Experience a struggle for life in the fragile artificial environment of a damaged space station.
- 5
Desk Space: Idle Spacefleet clicker
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Simulation with Vanguard Galaxy.
Grow your fleet of spaceships in this incremental space game. Mine asteroids and trade with stations, unlock upgrades to made more money, deploy pirates, and unlock [REDACTED]. Pin to your desktop and watch your empire grow while you do "more important" things.
- 6
Planet Factory
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Indie with Vanguard Galaxy.
A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!
- 7
Space Travellers
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Indie with Vanguard Galaxy.
Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!
- 8
SpaceCraft
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Indie and Simulation with Vanguard Galaxy.
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
- 9
Elite Dangerous
Single-player alternative to Vanguard Galaxy — playable solo, no multiplayer required. Shares Strategy and Simulation with Vanguard Galaxy.
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.