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.

    2027ActionSingle-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
    Broken Orbits — Steam game cover

    Broken Orbits

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

    Broken Orbits is a fast-paced 1–4 player co-op space-combat game. Tear through hostile fleets, loot wild weapons and prototype effects, create devastating loadout combinations, and fight through a complete three-chapter campaign against the Ancients.

    2026ActionIndieSingle-playerSimilar games →
  4. 4
    Nova Survivors — Steam game cover

    Nova Survivors

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

    A space horde-survival roguelite where the 21 ships aren't skins: each flies its own weapon, ultimate and role, so the same cards build wildly different runs. Chain evolutions and artifacts through a 100-level campaign and endless Survival, and hold out until your build breaks the game.

    2026ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    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.

    ActionSingle-playerSimilar games →
  6. 6
    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 →
  7. 7
    RESHOOTER — Steam game cover

    RESHOOTER

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

    RESHOOTER offers heart-pounding shoot-em-up action that elevates classic arcade gameplay to the next level. Dive into the retroflow with electrifying visuals, immersive audio, and captivating mechanics.

    2026ActionIndieEarly Access12.99 USDSingle-playerSimilar games →
  8. 8
    Ounba — Steam game cover

    Ounba

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

    Ounba is a 3D arcade action game where you pilot a high-speed spaceship inside a huge futuristic tube. Dodge obstacles, fight enemies, shoot, collect resources, and try to beat your best score and the scores of other players! 🚀

    2026ActionAdventureSingle-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.

    ActionAdventureSingle-playerSimilar games →