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
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!
- 4
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!
- 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
Alien Decimation
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
Destroy waves of UFOs in a arcade style space shooter with an array of powerful weaponry.
- 7
Exodemic
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
Destroy aliens, dash between planets, and buy powerful upgrades. Exodemic is a compact roguelike that combines frenetic shoot 'em up gameplay with a procedurally generated overworld filled with vendors, trading hubs, and combat encounters. Race against the clock to save the human race.
- 8
Destroiders
Single-player alternative to Last Space Guardian — playable solo, no multiplayer required. Shares Action and Indie with Last Space Guardian.
No nonsense, action packed, 2.5D, Asteroids inspired shooter. Scream around speeding rocks narrowly avoiding an untimely death as you obliterate rocks whilst harvesting their valuable resources. See how far you and your friends can get. Best played with mates but also pretty fun on your own.