Free games like S.E.R.T
Below are 10 free-to-play Steam games similar to S.E.R.T, 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 S.E.R.T page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Action and Indie with S.E.R.T.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Bongo Cat
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Indie and Simulation with S.E.R.T.
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?
- 3
STRAFTAT
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Action with S.E.R.T.
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.
- 4
Counter-Strike:Global Offensive
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Action with S.E.R.T.
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.).
- 5
Dagon: by H. P. Lovecraft
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Indie with S.E.R.T.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 6
The Lab
Free-to-play alternative to S.E.R.T — 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!
- 7
Cube Escape: Paradox
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Indie with S.E.R.T.
The tenth Cube Escape follows the story of detective Dale Vandermeer who finds himself trapped in two different universes and needs to escape. Cube Escape: Paradox will be released together with the accompanying Paradox: A Rusty Lake Film.
- 8
Saihate Station
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Indie with S.E.R.T.
An exploration/horror/adventure game about the codependent, love-hate relationship between two men.
- 9
Something's Out There
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Action and Indie with S.E.R.T.
Something's Out There is a micro-horror creature hunting game, featuring multiple unique creatures across multiple maps. Hunters work together using the tools provided at base or found around the map to track down, hunt, and ultimately kill the creature of which only stories claim exist.
- 10
Unlock the Three
Free-to-play alternative to S.E.R.T — no purchase or trial window. Shares Action with S.E.R.T.
Unlock the Three is about a Police,Medic,Security Worker and a Father trying to escape from a Monster in locked hospital. Each survivor has its own unique skills to perform and survivors must be collaborate with each other to be able to escape.