Single-player games like Space Out
Below are 8 single-player Steam games similar to Space Out, 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 Out page.
Ranked picks
- 1
Alien Wall
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Action and Indie with Space Out.
Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!
- 2
Protect the Earth
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Action and Indie with Space Out.
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
Ace of Space
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Action and Indie with Space Out.
You and your spaceship versus thousands of aliens! Blast through waves of aliens with upgradable spaceships in this sci-fi shoot ’em up game and become the Ace of Space!
- 4
Mud River
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Action and Indie with Space Out.
Mud River is a horizontal 2D Shoot‘em Up game. The Rio Doce (Sweet River) was a paradise for mankind and animals, but now it has become a territory destroyed by the unscrupulous activities of Dr. Wellin. This is Pacal's first destination, ascending the Rio Doce preventing its complete destruction.
- 5
Strike Wings
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Action and Indie with Space Out.
A top-down space-combat epic. Fifty warships, fleet actions with two hundred ships on the field, and a civil war in its seventeenth year. Fly for Earth’s church-state or the Martian forge that armed it — solo, split-screen co-op, or 24-pilot online attrition battles.
- 6
House of the Dying Sun
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Action and Indie with Space Out.
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
- 7
Strike Suit Zero
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Action and Indie with Space Out.
Pilot the mecha Strike Suit across massive fleet battles where your dogfighting skills decide Earth's fate. Fast, frantic space combat with capital ship destruction, multiple endings, and a universe that's anything but empty. This is space combat reborn.
- 8
1000 days to escape
Single-player alternative to Space Out — playable solo, no multiplayer required. Shares Indie and Casual with Space Out.
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.