IMHO.

Free games like Quartermain and the Cult of Cthulhu

Below are 8 free-to-play Steam games similar to Quartermain and the Cult of Cthulhu, 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 Quartermain and the Cult of Cthulhu page.

Ranked picks

  1. 1
    STRAFTAT — Steam game cover

    STRAFTAT

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — no purchase or trial window. Shares Action with Quartermain and the Cult of Cthulhu.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableFree to playSimilar games →
  2. 2
    Counter-Strike:Global Offensive — Steam game cover

    Counter-Strike:Global Offensive

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — no purchase or trial window. Shares Action with Quartermain and the Cult of Cthulhu.

    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 →
  3. 3
    Disfigure — Steam game cover

    Disfigure

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — no purchase or trial window. Shares Action with Quartermain and the Cult of Cthulhu.

    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 →
  4. 4
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — 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
    93, Kuindzhi — Steam game cover

    93, Kuindzhi

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — no purchase or trial window. Shares Adventure with Quartermain and the Cult of Cthulhu.

    Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.

    2026IndieAdventureFree To PlayFreeFree to playSimilar games →
  6. 6
    Wheelchair Wizards — Steam game cover

    Wheelchair Wizards

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — no purchase or trial window. Shares Action with Quartermain and the Cult of Cthulhu.

    Wheelchair Wizards is a 4 player party game where you battle your friends while upgrading your wizard.

    2025ActionIndieFree To PlayFreeFree to playSimilar games →
  7. 7
    SCP – Containment Breach — Steam game cover

    SCP – Containment Breach

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — no purchase or trial window. Shares Action and Adventure with Quartermain and the Cult of Cthulhu.

    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
    Counter-Strike 2 — Steam game cover

    Counter-Strike 2

    Free-to-play alternative to Quartermain and the Cult of Cthulhu — no purchase or trial window. Shares Action with Quartermain and the Cult of Cthulhu.

    For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.

    2012ActionFree To PlayFreeDeck PlayableFree to playSimilar games →