Single-player games like Last Space Guardian
Below are 8 single-player Steam games similar to Last Space Guardian, 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 Last Space Guardian page.
Ranked picks
- 1
Orbital Command
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
Orbital Command is about controlling planet based weapon systems to defend your planets from large asteroids and hostile invaders. Will you be able to complete the Dyson Sphere, or will your planets end up barren husks?
- 2
Protect the Earth
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
You are the best pilot in the space force and the earth needs you to protect itself from an alien attack. Protect the earth and then go to the invader's planet to finish them off once and for all.
- 3
Xenoform
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action with Last Space Guardian.
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!
- 4
Super CosmoJet
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
Super CosmoJet is a 2D physics-based action space game. Master gravity and your ship's thrust controls to navigate hazardous star systems, on your quest to find your missing father. Each star system is procedurally generated at runtime, so no two play-throughs are the same!
- 5
DarkSpase
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
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.
- 6
Collapsion
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
When a black hole generates enough strength to destroy the entire universe, it's called Collapsion. It's up to you to defend the universe for as long as possible to stop Collapsion from happening in this Arcade Shooter!
- 7
Saturn Quest: Shadow of Planetus
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
Saturn Quest: Shadow of Planetus is a shameless 8-bit style clone of Shadow of the Colossus! You are Captain Navigator. Fight the evil minions of Planetus! Save Saturn! Save Galaxy!
- 8
Cosmic collapse
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
Lasers, blasters, black holes and a lot of enemies... All this is in the endless space, the expanses of which you have to clean up from enemies!