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
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!
- 2
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.
- 3
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.).
- 4
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!
- 5
Aircar
Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window.
A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.
- 6
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!
- 7
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.
- 8
Liquidators
Free-to-play alternative to P.R.I.M.A.L. Keepers — no purchase or trial window.
Chernobyl, USSR, 1986. Three nuclear plant workers go on a daring mission to prevent a radioactive fallout that would affect half of Europe. Every moment is permanent, and all is at stake.