IMHO.

Free games like Acid Trip

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

Ranked picks

  1. 1
    Ultimate Custom Night — Steam game cover

    Ultimate Custom Night

    Free-to-play alternative to Acid Trip — no purchase or trial window. Shares Action and Indie with Acid Trip.

    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 Acid Trip — no purchase or trial window. Shares Action with Acid Trip.

    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
    Awaria — Steam game cover

    Awaria

    Free-to-play alternative to Acid Trip — no purchase or trial window. Shares Action and Indie with Acid Trip.

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  4. 4
    Grimm's Hollow — Steam game cover

    Grimm's Hollow

    Free-to-play alternative to Acid Trip — no purchase or trial window. Shares Indie with Acid Trip.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
  5. 5
    The Expendabros — Steam game cover

    The Expendabros

    Free-to-play alternative to Acid Trip — no purchase or trial window. Shares Action and Indie with Acid Trip.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  6. 6
    Steam Engine Simulator — Steam game cover

    Steam Engine Simulator

    Free-to-play alternative to Acid Trip — no purchase or trial window.

    The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

    2023SimulationFreeDeck VerifiedFree to playSimilar games →
  7. 7
    Iron Snout — Steam game cover

    Iron Snout

    Free-to-play alternative to Acid Trip — no purchase or trial window. Shares Action and Indie with Acid Trip.

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  8. 8
    UNBEATABLE [white label] — Steam game cover

    UNBEATABLE [white label]

    Free-to-play alternative to Acid Trip — no purchase or trial window. Shares Action and Indie with Acid Trip.

    A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.

    2021ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →