IMHO.

Single-player games like Void Swarm

Below are 10 single-player Steam games similar to Void Swarm, 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 Void Swarm page.

Ranked picks

  1. 1
    Geometry Rift: Apocalypse — Steam game cover

    Geometry Rift: Apocalypse

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    Imagine the frenetic chaos of Geometry Wars colliding with the addictive progression of Vampire Survivors. That's Geometry Rift — a relentless auto-fire action experience where geometric enemies flood the screen and your only option is to shoot, dodge, and survive.

    2026ActionSingle-playerSimilar games →
  2. 2
    Giant Enemy Robot Crabs — Steam game cover

    Giant Enemy Robot Crabs

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    Crush the countless crabs while blasting your way through the cancer zone!

    ActionIndieSingle-playerSimilar games →
  3. 3
    NOT ENOUGH SPACE — Steam game cover

    NOT ENOUGH SPACE

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    Shoot to move. Move to survive. A space action roguelike about momentum, chaotic battles, loot, builds, and bosses.

    2026ActionSingle-playerSimilar games →
  4. 4
    Swarm Harvest — Steam game cover

    Swarm Harvest

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    SWARM HARVEST is a survivors-like auto-shooter where you command a growing army of drones and deployable towers. Carve through endless alien swarms and evolve into an unstoppable bug-blasting machine with absurdly overpowered builds.

    2026ActionIndieSingle-playerSimilar games →
  5. 5
    Prism Drift — Steam game cover

    Prism Drift

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    Take control of a lone pilot in a hostile galaxy. In this incremental roguelike, every death is a lesson and every scrap of loot is progress. Battle through relentless waves of enemies, level up your skills, and return to base to turn your scavenged parts into ship upgrades.

    ActionSingle-playerSimilar games →
  6. 6
    The Glory Dungeon Raider — Steam game cover

    The Glory Dungeon Raider

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    Enter the depths of a treacherous dungeon in The Glory Dungeon Raider, a fast-paced 2D roguelike where every run is a new challenge! Arm yourself with various weapons, and face off against deadly creatures. Do you have what it takes to survive?

    2026ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    BlassHole — Steam game cover

    BlassHole

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    A space action, looting and ship progression game first made over 25 years ago while I was studying programming, now remade: explore systems, fight, collect loot and upgrade your ship module by module.

    2026ActionIndieSimulation1.59 USDSingle-playerSimilar games →
  8. 8
    Cosmic Run — Steam game cover

    Cosmic Run

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    Cosmic Run is a single-player space roguelite where you battle relentless galactic enemies, strategically upgrade your ship, and help the Zogark family survive their journey across the galaxy. Build powerful combinations, adapt to chaotic encounters, and escape one broken system after another.

    2026ActionStrategyIndie9.89 USDSingle-playerSimilar games →
  9. 9
    SHEOL INFERNO — Steam game cover

    SHEOL INFERNO

    Single-player alternative to Void Swarm — playable solo, no multiplayer required.

    Sheol Inferno is a roguelike card game in which you will accompany Dante on his journey through the 9 circles of Hell and fight alongside him to defeat the guardians of the circles.

    2025StrategyIndieCasual14.99 USDSingle-playerSimilar games →
  10. 10
    Cubex — Steam game cover

    Cubex

    Single-player alternative to Void Swarm — playable solo, no multiplayer required. Shares Action with Void Swarm.

    Cubex is a horror escape room game in first person, collaborative (or not) for up to 4 players, where your objective will be to find the exit of a giant cube.

    2027ActionAdventureSingle-playerSimilar games →