Single-player games like Asteroid Defender!
Below are 11 single-player Steam games similar to Asteroid Defender!, 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 Asteroid Defender! page.
Ranked picks
- 1
Silverwing
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
Silverwing is an action flight game where you build an array of powerful spaceships to combat enemies across space and a diverse array of planet landscapes. Play through a fully voiced 20+ mission campaign with multiple endings based on your mission choices.
- 2
Univoyager
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
Experience a 1:1 scale, procedurally generated universe with seamless exploration from planets to stars. Journey across the cosmos with zero loading screens and realistic Newtonian physics. Trade, fight, and survive in a post-apocalyptic galaxy where gravity is your only boundary.
- 3
Cosmic collapse
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
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!
- 4
DarkSpase
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
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.
- 5
Gravity in Space
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
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.
- 6
Orbital Invaders
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
3D Sci-Fi arcade Shoot'em up game. Destroy asteroids and aliens. Shoot them all!3D arena shooter with multiple worlds. Spaceship simulator and shmup arcade style game.
- 7
Blackstar Ranger
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
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.
- 8
Expedition Astra
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
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.
- 9
Pizza Delivery 3000
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
Leap into your hovercraft, fire up the laser cannons, and prepare for the ultimate game of 31st century cat-and-mouse. Strap in tight - you play a delivery driver in a town where pizza has been outlawed. Delivering pizza has never been so dangerous!
- 10
Tommyknockers
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Indie with Asteroid Defender!.
You have one job: Protect the gold and stay alive all night! Can you last the night against the onslaught of the cunning and creepy Tommyknockers? They come for you!
- 11
Extraction Force
Single-player alternative to Asteroid Defender! — playable solo, no multiplayer required. Shares Action and Indie with Asteroid Defender!.
Search for nuclear launch codes in this vehicle based combat game by bulldozing your way through enemy territory from the ground or raining destructive missiles down from the sky. Once located, recover the stolen codes using the jeep and return to base before its too late!