IMHO.

Free games like P.R.I.M.A.L. Keepers

Below are 8 free-to-play Steam games similar to P.R.I.M.A.L. Keepers, 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 P.R.I.M.A.L. Keepers page.

Ranked picks

  1. 1
    Ultimate Custom Night — Steam game cover

    Ultimate Custom Night

    Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window. Shares Action with P.R.I.M.A.L. Keepers.

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

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

    STRAFTAT

    Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window. Shares Action with P.R.I.M.A.L. Keepers.

    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 →
  3. 3
    Counter-Strike:Global Offensive — Steam game cover

    Counter-Strike:Global Offensive

    Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window. Shares Action with P.R.I.M.A.L. Keepers.

    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 →
  4. 4
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to P.R.I.M.A.L. Keepers — 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
    I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1 — Steam game cover

    I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1

    Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window. Shares Action with P.R.I.M.A.L. Keepers.

    A top down twin stick zombie slaying shooter that you are sure to play again and again!

    2021ActionIndieFree To PlayFreeDeck VerifiedFree to playSimilar games →
  6. 6
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window. Shares Action with P.R.I.M.A.L. Keepers.

    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
    Hog Hunter 2021 — Steam game cover

    Hog Hunter 2021

    Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window. Shares Action with P.R.I.M.A.L. Keepers.

    Hog hunter is a short atmospheric game about catching hogs out in the wild, be careful though not everything in the woods is safe...

    2021ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  8. 8
    Shape of Dreams: Prologue — Steam game cover

    Shape of Dreams: Prologue

    Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window. Shares Action with P.R.I.M.A.L. Keepers.

    《Shape of Dreams: Prologue》is a unique game that blends action roguelite with MOBA-style gameplay. Edit your character's Memories to create your own champion. Face all challenges alone or play with friends in up to 4-player co-op.

    2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →