IMHO.

Single-player games like Filthy Fly: Horde Survivor

Below are 8 single-player Steam games similar to Filthy Fly: Horde Survivor, 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 Filthy Fly: Horde Survivor page.

Ranked picks

  1. 1
    Afterwork Apocalypse — Steam game cover

    Afterwork Apocalypse

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    A horde-survival roguelite in a cursed office tower. Weaponise the stapler, the hot coffee and the all-hands microphone, keep your panicking colleagues from quitting mid-fight, and ride the elevator up floor by floor. Overtime is not optional.

    2026ActionIndieCasualSingle-playerSimilar games →
  2. 2
    Fading Reel — Steam game cover

    Fading Reel

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    A sepia Roguelike — lead a chained squad through 22 waves. Map events split your line, milestone recruits add firepower. Linked Blink, run upgrades, 19 Evolutions, and a permanent meta tree carry you to the final Boss Hydra.

    2026ActionIndieCasual2.79 USDSingle-playerSimilar games →
  3. 3
    Approaching Infinity Survivors — Steam game cover

    Approaching Infinity Survivors

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    A Bullet-Heaven roguelike in the Approaching Infinity universe with both spaceship and away team missions. The exit of the galaxy's dominant races left a power vacuum that everyone wants to fill. Survive, pick a side, or kill'em all. No time to think when the horde's advancing.

    ActionIndieRPGSingle-playerSimilar games →
  4. 4
    Beatlash: Survival — Steam game cover

    Beatlash: Survival

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    A horde survivor that plays your music. Thousands of enemies, all moving to the beat, and when the drop hits, so do you. Put on your favourite song and watch the whole screen come apart in time with it.

    ActionIndieCasualSingle-playerSimilar games →
  5. 5
    ALL EYES ON ME — Steam game cover

    ALL EYES ON ME

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    Everyone sees the same thing. Except you. Now every eye is on you. Thousands of eyes hunt you in this bullet heaven roguelite. Their attention makes them deadlier and charges your strongest weapon. Find items, shape your build, beat challenges, play local co-op or online conquests.

    2026ActionIndieCasualSingle-playerSimilar games →
  6. 6
    Gran Theft Lure — Steam game cover

    Gran Theft Lure

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    Gran Theft Lure is a top-down arena shooter roguelite in which you play as your lovely gran being attacked by hordes of burglars. They can only be killed by luring or pushing them into your garden’s traps. Choose one of the 4 weapon modes, and make them taste theft lure, or should we say failure!

    2025ActionIndieRPG2.99 USDSingle-playerSimilar games →
  7. 7
    Fortress Full Fury — Steam game cover

    Fortress Full Fury

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    An incremental bullet-heaven where every run feeds permanent upgrades. Defend your fortress, harvest crystals, and climb a 600+ node tech tree until your scrappy defenses become a screen-clearing arsenal against absurd swarms.

    ActionIndieSingle-playerSimilar games →
  8. 8
    Astrolite — Steam game cover

    Astrolite

    Single-player alternative to Filthy Fly: Horde Survivor — playable solo, no multiplayer required. Shares Action and Indie with Filthy Fly: Horde Survivor.

    Astrolite is an arcade-styled bullet heaven in a race against time. Conquer each planet before the forces of the galaxy overpower you. The Galaxy stands united. The World Guardians prepare a final stand against their greatest enemy... that enemy... is you.

    2026ActionIndieSingle-playerSimilar games →