IMHO.

Free games like {Undefined}

Below are 8 free-to-play Steam games similar to {Undefined}, 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 {Undefined} page.

Ranked picks

  1. 1
    The Looker — Steam game cover

    The Looker

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Indie with {Undefined}.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableFree to playSimilar games →
  2. 2
    Landfall Archives — Steam game cover

    Landfall Archives

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Strategy and Indie with {Undefined}.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeFree to playSimilar games →
  3. 3
    SuchArt: Creative Space — Steam game cover

    SuchArt: Creative Space

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Indie and Adventure with {Undefined}.

    Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

    2021ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  4. 4
    Hello Neighbor Alpha 2 — Steam game cover

    Hello Neighbor Alpha 2

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Strategy and Indie with {Undefined}.

    Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.

    2019StrategyIndieAdventureFreeFree to playSimilar games →
  5. 5
    Outpath: First Journey — Steam game cover

    Outpath: First Journey

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Indie and Adventure with {Undefined}.

    Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!

    2022IndieAdventureCasualFreeDeck PlayableFree to playSimilar games →
  6. 6
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Strategy and Indie with {Undefined}.

    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 →
  7. 7
    SCP – Containment Breach — Steam game cover

    SCP – Containment Breach

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Indie and Adventure with {Undefined}.

    A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?

    2026ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  8. 8
    Unturned — Steam game cover

    Unturned

    Free-to-play alternative to {Undefined} — no purchase or trial window. Shares Indie and Adventure with {Undefined}.

    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 →