IMHO.

Free games like Subell's Abyss

Below are 8 free-to-play Steam games similar to Subell's Abyss, 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 Subell's Abyss page.

Ranked picks

  1. 1
    STRAFTAT — Steam game cover

    STRAFTAT

    Free-to-play alternative to Subell's Abyss — no purchase or trial window. Shares Action with Subell's Abyss.

    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 Subell's Abyss — no purchase or trial window. Shares Action with Subell's Abyss.

    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
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to Subell's Abyss — 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 →
  4. 4
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to Subell's Abyss — no purchase or trial window. Shares Action and Indie with Subell's Abyss.

    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
    Counter-Strike 2 — Steam game cover

    Counter-Strike 2

    Free-to-play alternative to Subell's Abyss — no purchase or trial window. Shares Action with Subell's Abyss.

    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 →
  6. 6
    Dota 2 — Steam game cover

    Dota 2

    Free-to-play alternative to Subell's Abyss — no purchase or trial window. Shares Action with Subell's Abyss.

    Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.

    2013ActionStrategyFree To PlayFreeDeck PlayableFree to playSimilar games →
  7. 7
    Tom Clancy's Rainbow Six Siege — Steam game cover

    Tom Clancy's Rainbow Six Siege

    Free-to-play alternative to Subell's Abyss — no purchase or trial window. Shares Action with Subell's Abyss.

    Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.

    2015ActionFree To PlayFreeFree to playSimilar games →
  8. 8
    Team Fortress 2 — Steam game cover

    Team Fortress 2

    Free-to-play alternative to Subell's Abyss — no purchase or trial window. Shares Action with Subell's Abyss.

    Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!

    2007ActionFree To PlayFreeDeck PlayableFree to playSimilar games →