IMHO.

Single-player games like Xerminus

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

Ranked picks

  1. 1
    Bullet Runner — Steam game cover

    Bullet Runner

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

    A clone army is taking over the world. Kill them all in an epic single-player campaign to save humanity, and yourself!

    2024ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  2. 2
    Sektori — Steam game cover

    Sektori

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

    Sektori is an intense, fast paced twin-stick shooter infused with hard hitting techno music. A game where the high-adrenaline gameplay, visuals, and music come together to transport you into another state of consciousness.

    2025Action14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Crimsonland — Steam game cover

    Crimsonland

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

    Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.

    2014ActionIndieRPG13.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Earl vs. the Mutants — Steam game cover

    Earl vs. the Mutants

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

    Save humanity in a mutant-ridden apocalypse! Dive headfirst into Earl vs. the Mutants, a high-octane top-down survival action-roguelite set in the aftermath of a nuclear apocalypse.

    2024ActionAdventureRPG2.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Chippy — Steam game cover

    Chippy

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

    Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.

    2019ActionIndie7.49 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Pesticide Not Required — Steam game cover

    Pesticide Not Required

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

    Mow down countless crops and corrupt critters while crafting game-breaking builds! Pesticide Not Required is an action roguelite bullet heaven game with farming sim elements that offers a myriad of stats and special character traits to create wildly diverse run possibilities.

    2024Action3.57 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    UBERMOSH Vol.5 — Steam game cover

    UBERMOSH Vol.5

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

    The fifth volume of the arcade series UBERMOSH.

    2017ActionIndie0.99 USDSingle-playerSimilar games →
  8. 8
    Destropolis — Steam game cover

    Destropolis

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

    Destropolis is a top-down shooter game with a fully destructible environment, hundreds of enemies and nuclear explosions. Fight a countless swarm of enemies. Tear them to pieces with bullets, lasers and explosions. Destroy as many of them as you can before they overwhelm you...

    2020ActionIndieRPG5.99 USDDeck VerifiedSingle-playerSimilar games →