Single-player games like Space Defender: Frontier Squadron
Below are 10 single-player Steam games similar to Space Defender: Frontier Squadron, 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 Space Defender: Frontier Squadron page.
Ranked picks
- 1
EVERSPACE™ 2
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Adventure with Space Defender: Frontier Squadron.
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
- 2
Rebel Galaxy
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Indie with Space Defender: Frontier Squadron.
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
- 3
Arcadium - Space Odyssey
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Indie with Space Defender: Frontier Squadron.
Arcadium is a survival roguelite set in a dynamic, ever-changing universe. Journey across space, harvest planetary resources, and craft powerful builds to eradicate relentless waves of aliens. Each playthrough unveils a new and uncharted universe, ensuring endless challenges and discoveries.
- 4
Chorus
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Adventure with Space Defender: Frontier Squadron.
Take control of Nara on a quest to destroy the dark cult that created her. Unlock devastating weapons & mind-bending abilities in an evolution of the space-combat shooter. Along with Forsaken, her sentient starfighter, explore ancient temples, engage in zero-g combat & venture beyond waking reality.
- 5
Ring Runner: Flight of the Sages
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Indie with Space Defender: Frontier Squadron.
Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer.
- 6
Space Rangers HD: A War Apart
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Adventure with Space Defender: Frontier Squadron.
Space adventure, open world RPG, strategy, arcade, quest and more!
- 7
Starbound
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Indie with Space Defender: Frontier Squadron.
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
- 8
Space Pirates and Zombies
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Indie with Space Defender: Frontier Squadron.
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
- 9
Le Tapis Vert
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Indie with Space Defender: Frontier Squadron.
Belote, Solitaire, Backgammon, Yatzy, Sudoku… 24 card and board games gathered on one green table. Play solo against the computer, pass-and-play with friends, or online with a friend. No ads, no microtransactions.
- 10
Sourcebound
Single-player alternative to Space Defender: Frontier Squadron — playable solo, no multiplayer required. Shares Action and Indie with Space Defender: Frontier Squadron.
The screen is black and something is listening. Every step, every sonar pulse, every pebble paints the walls in neon for a moment, and every blind hunter hears it. Sneak through twenty procedurally generated levels down to the Source of silence. Best played with headphones.