IMHO.

Free games like PostApo

Below are 8 free-to-play Steam games similar to PostApo, 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 PostApo page.

Ranked picks

  1. 1
    Ultimate Custom Night — Steam game cover

    Ultimate Custom Night

    Free-to-play alternative to PostApo — no purchase or trial window. Shares Action with PostApo.

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

    2018ActionIndieFree To PlayFreeFree to playSimilar games →
  2. 2
    Indigo Park: Chapter 1 — Steam game cover

    Indigo Park: Chapter 1

    Free-to-play alternative to PostApo — no purchase or trial window. Shares Action and Adventure with PostApo.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  3. 3
    Counter-Strike:Global Offensive — Steam game cover

    Counter-Strike:Global Offensive

    Free-to-play alternative to PostApo — no purchase or trial window. Shares Action with PostApo.

    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 PostApo — 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
    SuchArt: Creative Space — Steam game cover

    SuchArt: Creative Space

    Free-to-play alternative to PostApo — no purchase or trial window. Shares Action and Adventure with PostApo.

    Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

    2021ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  6. 6
    Hello Neighbor Alpha 2 — Steam game cover

    Hello Neighbor Alpha 2

    Free-to-play alternative to PostApo — no purchase or trial window. Shares Strategy and Adventure with PostApo.

    Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.

    2019StrategyIndieAdventureFreeFree to playSimilar games →
  7. 7
    Crime Scene Cleaner: Prologue — Steam game cover

    Crime Scene Cleaner: Prologue

    Free-to-play alternative to PostApo — no purchase or trial window. Shares Action and Simulation with PostApo.

    When there’s a call, you are the man to clean up after your client’s dirty job. Siding with the mafia is a dangerous game, but they pay well, and you need money, right? So take your mop and better remove those bloodstains quickly before the police come.

    2024ActionSimulationFreeFree to playSimilar games →
  8. 8
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to PostApo — no purchase or trial window. Shares Action and Strategy with PostApo.

    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 →