IMHO.

Free games like 3D PUZZLE - Old Sea Port

Below are 8 free-to-play Steam games similar to 3D PUZZLE - Old Sea Port, 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 3D PUZZLE - Old Sea Port page.

Ranked picks

  1. 1
    Indigo Park: Chapter 1 — Steam game cover

    Indigo Park: Chapter 1

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — no purchase or trial window. Shares Action and Indie with 3D PUZZLE - Old Sea Port.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  2. 2
    NGU IDLE — Steam game cover

    NGU IDLE

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — no purchase or trial window. Shares Indie and Adventure with 3D PUZZLE - Old Sea Port.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableFree to playSimilar games →
  3. 3
    Eternal Senia — Steam game cover

    Eternal Senia

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — no purchase or trial window. Shares Action and Indie with 3D PUZZLE - Old Sea Port.

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableFree to playSimilar games →
  4. 4
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — 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 →
  5. 5
    Floating Point — Steam game cover

    Floating Point

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — no purchase or trial window. Shares Indie and Casual with 3D PUZZLE - Old Sea Port.

    Floating Point is a peaceful, free game about using a grappling hook to swing yourself gracefully through randomly generated spaces. The only objective is to collect points, and the only thing that increases your points is swinging swiftly, smoothly and elegantly without hitting anything.

    2014IndieFree To PlayCasualFreeDeck PlayableFree to playSimilar games →
  6. 6
    SuchArt: Creative Space — Steam game cover

    SuchArt: Creative Space

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — no purchase or trial window. Shares Action and Indie with 3D PUZZLE - Old Sea Port.

    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 →
  7. 7
    Crime Scene Cleaner: Prologue — Steam game cover

    Crime Scene Cleaner: Prologue

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — no purchase or trial window. Shares Action and Simulation with 3D PUZZLE - Old Sea Port.

    When there’s a call, you are the man to clean up after your client’s dirty job. Siding with the mafia is a dangerous game, but they pay well, and you need money, right? So take your mop and better remove those bloodstains quickly before the police come.

    2024ActionSimulationFreeFree to playSimilar games →
  8. 8
    Die in the Dungeon: Origins — Steam game cover

    Die in the Dungeon: Origins

    Free-to-play alternative to 3D PUZZLE - Old Sea Port — no purchase or trial window. Shares Strategy and Indie with 3D PUZZLE - Old Sea Port.

    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 →