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Free games like Particul

Below are 9 free-to-play Steam games similar to Particul, 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 Particul page.

Ranked picks

  1. 1
    Upload Labs — Steam game cover

    Upload Labs

    Free-to-play alternative to Particul — no purchase or trial window. Shares Simulation with Particul.

    A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect

    2025SimulationFree To PlayFreeDeck PlayableFree to playSimilar games →
  2. 2
    Clicker Heroes — Steam game cover

    Clicker Heroes

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

    Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.

    2015AdventureIndieSimulationFreeDeck PlayableFree to playSimilar games →
  3. 3
    Midas Gold Plus - Idle Clicker — Steam game cover

    Midas Gold Plus - Idle Clicker

    Free-to-play alternative to Particul — no purchase or trial window. Shares Indie and Casual with Particul.

    Discover Midas Gold Plus, an engaging idle clicker set in a mythical world! Harness King Midas' golden touch, build a legendary city, and unlock powerful champions. Master unique gameplay styles, explore pet battles, and conquer rival cities. Delve into this ancient tycoon adventure today!

    2017IndieRPGFree To PlayFreeDeck PlayableFree to playSimilar games →
  4. 4
    Unnamed Space Idle — Steam game cover

    Unnamed Space Idle

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

    Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

    2023SimulationFree To PlayCasualFreeDeck PlayableFree to playSimilar games →
  5. 5
    Magic Archery — Steam game cover

    Magic Archery

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

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableFree to playSimilar games →
  6. 6
    Mr.Mine — Steam game cover

    Mr.Mine

    Free-to-play alternative to Particul — no purchase or trial window. Shares Casual and Indie with Particul.

    Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!

    2020AdventureCasualIndieFreeDeck PlayableFree to playSimilar games →
  7. 7
    PickCrafter — Steam game cover

    PickCrafter

    Free-to-play alternative to Particul — no purchase or trial window. Shares Casual and Indie with Particul.

    Conquer PickCrafter, the hit indie idle game! Break blocks, forge equipment, and collect powerful Pickaxes. Prestige to legendary tiers with the new Ascension Skill Tree. Discover biomes and battle epic bosses. Make meaningful choices and invent complex builds in this addictive endless adventure!

    2017AdventureCasualIndieFreeDeck PlayableFree to playSimilar games →
  8. 8
    NGU IDLE — Steam game cover

    NGU IDLE

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

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019AdventureIndieSimulationFreeDeck PlayableFree to playSimilar games →
  9. 9
    Revolution Idle — Steam game cover

    Revolution Idle

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

    Join an experience where each revolution takes you further into the unknown! Revolution Idle challenges you to multiply your accumulators to reach unimaginable heights. Will you manage to reach infinity?

    2025IndieSimulationFree To PlayFreeDeck PlayableFree to playSimilar games →