IMHO.

Single-player games like Swarmfall

Below are 8 single-player Steam games similar to Swarmfall, 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 Swarmfall page.

Ranked picks

  1. 1
    Vector Storm — Steam game cover

    Vector Storm

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

    A relentless top-down arcade shooter with roguelite progression. Blast through escalating waves, battle massive bosses, and build your loadout with boss-dropped gear. Earn tokens to permanently upgrade your fleet and unlock new ships between runs.

    2026ActionAdventure4.24 USDSingle-playerSimilar games →
  2. 2
    Lost Galaxy: Survivors — Steam game cover

    Lost Galaxy: Survivors

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

    Defend massive interdimensional portals against relentless alien swarms in this fast-paced sci-fi top-down survival shooter.

    ActionStrategyCasualSingle-playerSimilar games →
  3. 3
    Nova Drift — Steam game cover

    Nova Drift

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

    Nova Drift distills the mechanical depth and strategy of an ARPG into classic arcade space combat. Control an endlessly evolving bio-mechanical ship, face legions of strange and deadly foes, and ride the wake of a dying star across the void.

    2024ActionIndie17.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Acceleration of SUGURI 2 — Steam game cover

    Acceleration of SUGURI 2

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

    Acceleration of SUGURI 2 is a lightning-paced duel-style shoot'em'up from Orange Juice, featuring all favorite characters from the SUGURI universe.

    2018ActionIndie8.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Vital Shell — Steam game cover

    Vital Shell

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

    Vital Shell is a single player top-down arena shooter that puts you in control of mechs inspired by classic fantasy archetypes. Unlock powerful synergies with unique weapons, traits, and abilities as you take on increasingly challenging waves of enemies in a shattered realm.

    2026ActionRPG5.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Arcadium - Space Odyssey — Steam game cover

    Arcadium - Space Odyssey

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

    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.

    2026ActionIndieRPG7.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    X Invader — Steam game cover

    X Invader

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

    X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters. Powerful, cute bosses guard these servers!

    2024ActionStrategyIndie4.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Zombie Rollerz: The Last Ship — Steam game cover

    Zombie Rollerz: The Last Ship

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

    Build turrets, lead your crew, and upgrade the ship while gathering loot in this exciting "Tower Defense-on-wheels zombie survival roguelite" game.

    2025ActionStrategyIndie9.99 USDDeck VerifiedSingle-playerSimilar games →