IMHO.

Single-player games like Space Bross

Below are 9 single-player Steam games similar to Space Bross, 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 Bross page.

Ranked picks

  1. 1
    ASHER Descent — Steam game cover

    ASHER Descent

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Action and Strategy with Space Bross.

    Go down. Get stronger. Come back alive. Mine the mountain. Defend your shuttle. Adapt or get overrun.

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Dimension Core: Amethyst — Steam game cover

    Dimension Core: Amethyst

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Strategy and Indie with Space Bross.

    A Roguelite strategy tower defense game. Different towers, events, and upgrades every run. Manage resources, fight alongside your towers, and defend the Dimension Core.

    StrategyIndieSingle-playerSimilar games →
  3. 3
    Astral Lords — Steam game cover

    Astral Lords

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Action and Strategy with Space Bross.

    Shatter genre boundaries in this sci-fi survival Roguelite blending bullet-hell action and base-building RTS. Dodge and unleash screen-clearing firepower against alien hordes, while constructing fortresses and real-time automated defenses to crush your enemies.

    2026ActionStrategyIndie11.69 USDSingle-playerSimilar games →
  4. 4
    OrbGuard — Steam game cover

    OrbGuard

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Action and Strategy with Space Bross.

    Defend Earth against waves of deadly cosmic threats determined to destroy your civilization! In this Rogue-Lite Auto Shooter, you’ll place Celestial bodies and upgrade them to unleash chaos on your enemies. How long will you survive?

    ActionStrategyCasualSingle-playerSimilar games →
  5. 5
    Eldritch Escape — Steam game cover

    Eldritch Escape

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Action and Indie with Space Bross.

    In this Lovecraftian Extraction Bullet Heaven, Earth has been consumed by an eldritch god. Build a customizable squad, battle endless horrors, extract resources, and search for a way out of the void

    ActionIndieRPGSingle-playerSimilar games →
  6. 6
    Galaxy Critter Co. — Steam game cover

    Galaxy Critter Co.

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Action and Strategy with Space Bross.

    Galaxy Critter Co. is a cute chaotic roguelike where tower defense meets top-down shooting: build by day, fight by night, and craft broken synergies to survive the Swarm.

    2026ActionStrategyIndieSingle-playerSimilar games →
  7. 7
    Gold and Bricks — Steam game cover

    Gold and Bricks

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Action and Strategy with Space Bross.

    Gold and Bricks is a small game that mixes elements of city builder, roguelite, strategy and tower defense. Plan the layout, manage your economy and invest your gold in defensive towers to protect yourself from the hordes of enemies invading your village.

    2025ActionStrategyIndie1.99 USDSingle-playerSimilar games →
  8. 8
    Land of Glarefall — Steam game cover

    Land of Glarefall

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Action and Strategy with Space Bross.

    An action-adventure survival game where every night could be your last. Explore a vast, dangerous world where survival depends on smart resource management, tactical combat, and what you choose to do before night falls.

    2026ActionStrategyIndieSingle-playerSimilar games →
  9. 9
    Manita — Steam game cover

    Manita

    Single-player alternative to Space Bross — playable solo, no multiplayer required. Shares Indie with Space Bross.

    An interactive AI companion living on your desktop. Talk naturally through real-time voice conversations, shape her personality, and customize your relationship. Every interaction evolves with your communication, creating an immersive, personal, and lifelike experience while you use your PC.

    2026IndieSimulationCasualSingle-playerSimilar games →