IMHO.

Free games like Space Scum

Below are 8 free-to-play Steam games similar to Space Scum, 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 Space Scum page.

Ranked picks

  1. 1
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to Space Scum — no purchase or trial window.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeFree to playSimilar games →
  2. 2
    Moonring — Steam game cover

    Moonring

    Free-to-play alternative to Space Scum — no purchase or trial window. Shares RPG with Space Scum.

    A dark-fantasy, turn-based, retro-fusion of classic turn-based RPGs and roguelikes, all presented with a unique neon aesthetic.

    2023RPGFreeDeck VerifiedFree to playSimilar games →
  3. 3
    Die in the Dungeon: Origins — Steam game cover

    Die in the Dungeon: Origins

    Free-to-play alternative to Space Scum — no purchase or trial window. Shares Strategy and RPG with Space Scum.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedFree to playSimilar games →
  4. 4
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to Space Scum — no purchase or trial window. Shares Strategy with Space Scum.

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  5. 5
    Warframe — Steam game cover

    Warframe

    Free-to-play alternative to Space Scum — no purchase or trial window. Shares RPG with Space Scum.

    Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game

    2013ActionRPGFree To PlayFreeDeck VerifiedFree to playSimilar games →
  6. 6
    Unturned — Steam game cover

    Unturned

    Free-to-play alternative to Space Scum — no purchase or trial window.

    You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.

    2017ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  7. 7
    Muck — Steam game cover

    Muck

    Free-to-play alternative to Space Scum — no purchase or trial window.

    Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can.

    2021ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  8. 8
    Totally Accurate Battlegrounds — Steam game cover

    Totally Accurate Battlegrounds

    Free-to-play alternative to Space Scum — no purchase or trial window.

    Grab your balloon crossbow and trusty inflatable hammer, because things are about to get wobbly! Be the last weirdo standing in the world-leading physics-based Battle Royale game.

    2018ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →