IMHO.

Free games like Alien worm

Below are 8 free-to-play Steam games similar to Alien worm, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Alien worm page.

Ranked picks

  1. 1
    Disfigure — Steam game cover

    Disfigure

    Free-to-play alternative to Alien worm — no purchase or trial window. Shares Action with Alien worm.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableFree to playSimilar games →
  2. 2
    Waves — Steam game cover

    Waves

    Free-to-play alternative to Alien worm — no purchase or trial window. Shares Action with Alien worm.

    Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!

    2011ActionIndieFreeDeck VerifiedFree to playSimilar games →
  3. 3
    Evil Egg — Steam game cover

    Evil Egg

    Free-to-play alternative to Alien worm — no purchase or trial window. Shares Action with Alien worm.

    Blast it all to hell.

    2025ActionFree To PlayFreeDeck VerifiedFree to playSimilar games →
  4. 4
    Relic Hunters Zero: Remix — Steam game cover

    Relic Hunters Zero: Remix

    Free-to-play alternative to Alien worm — no purchase or trial window. Shares Action with Alien worm.

    Relic Hunters Zero: Remix is a remaster of the FREE 1 million player hit game about blasting evil space ducks and turtles with tiny cute guns. It’s fast, it’s tactical, and feels deliciously smooth to play. Unlock new weapons, characters and relics to defeat the Ducan Commander!

    2015ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  5. 5
    Himno — Steam game cover

    Himno

    Free-to-play alternative to Alien worm — no purchase or trial window.

    Himno is a peaceful, 2D platformer game with an infinite number of beautiful procedurally generated maps. Take a breath, and relax.

    2019IndieAdventureFree To PlayFreeDeck PlayableFree to playSimilar games →
  6. 6
    Bouncemasters — Steam game cover

    Bouncemasters

    Free-to-play alternative to Alien worm — no purchase or trial window. Shares Action with Alien worm.

    Launch a penguin across the globe! Whack, bounce, and soar through crazy obstacles in this fun physics-based arcade game, inspired by the legendary YetiSports! Escape the North Pole and find love - or just keep failing hilariously.

    2025ActionIndieFree To PlayFreeFree to playSimilar games →
  7. 7
    WOWOWOW KORONE BOX — Steam game cover

    WOWOWOW KORONE BOX

    Free-to-play alternative to Alien worm — no purchase or trial window. Shares Action with Alien worm.

    A hololive fangame featuring Inugami Korone of hololive GAMERS! Collect as many Korone Boxes as possible while contending with an endless onslaught of enemies and bosses using whatever weapons you happen to pick up!

    2024ActionFree To PlayFreeDeck VerifiedFree to playSimilar games →
  8. 8
    Death Skid Marks — Steam game cover

    Death Skid Marks

    Free-to-play alternative to Alien worm — no purchase or trial window. Shares Action with Alien worm.

    Death Skid Marks is a rogue-like car combat game about what so many of us have experienced: a road trip to a music gig… only in this game, things get violent. The game uniquely blends top down arcade action and RPG mechanics.

    2014ActionIndieRPGFreeDeck PlayableFree to playSimilar games →