IMHO.

Free games like Boundless

Below are 9 free-to-play Steam games similar to Boundless, 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 Boundless page.

Ranked picks

  1. 1
    Ultimate Custom Night — Steam game cover

    Ultimate Custom Night

    Free-to-play alternative to Boundless — no purchase or trial window. Shares Action and Indie with Boundless.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeFree to playSimilar games →
  2. 2
    Bongo Cat — Steam game cover

    Bongo Cat

    Free-to-play alternative to Boundless — no purchase or trial window. Shares Indie and Massively Multiplayer with Boundless.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableFree to playSimilar games →
  3. 3
    Indigo Park: Chapter 1 — Steam game cover

    Indigo Park: Chapter 1

    Free-to-play alternative to Boundless — no purchase or trial window. Shares Action and Indie with Boundless.

    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 →
  4. 4
    Counter-Strike:Global Offensive — Steam game cover

    Counter-Strike:Global Offensive

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

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableFree to playSimilar games →
  5. 5
    NGU IDLE — Steam game cover

    NGU IDLE

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

    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 →
  6. 6
    The Expendabros — Steam game cover

    The Expendabros

    Free-to-play alternative to Boundless — no purchase or trial window. Shares Action and Indie with Boundless.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  7. 7
    Iron Snout — Steam game cover

    Iron Snout

    Free-to-play alternative to Boundless — no purchase or trial window. Shares Action and Indie with Boundless.

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  8. 8
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to Boundless — 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 →
  9. 9
    Trove — Steam game cover

    Trove

    Free-to-play alternative to Boundless — no purchase or trial window. Shares Action and Adventure with Boundless.

    Grab your friends, hone your blades, and set off for an epic procedurally generated adventure in Trove! Battle the Shadow in realms filled with dungeons and items created by your fellow players. Whether hunting treasure or building realms of your own, it’s never been this good to be square!

    2015ActionAdventureMassively MultiplayerFreeDeck PlayableFree to playSimilar games →