IMHO.

Games like Atom

If Atom is your kind of game, the closest matches are Black Hole Simulator, I Am a Rock and Flower Challenge — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Atom: A simple hydrogen atom simulator.

2021IndieSimulationCasual0.49 USDWindowsby PanGuoJun
Atom — Steam game cover

Players who liked Atom also play

Steam players who put hours into Atom also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Black Hole Simulator

    WHY THIS

    Top pick for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Atom.

    A simple black hole simulator.

    2021IndieAdventureSimulation0.99 USDSteam ↗
  2. I Am a Rock

    WHY THIS

    Second-strongest match for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Atom.

    A rock's solar system odyssey.

    2022StrategyIndieAdventure0.99 USDSteam ↗
  3. Flower Challenge

    WHY THIS

    Third-strongest match for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Atom.

    A flower hunter simulator. Here you can walk around the forest and enjoy the nature, meet different animals and, of course, gather flowers.

    2020ActionIndieAdventure199.99 USDSteam ↗
  4. The Line

    WHY THIS

    Ranked #4 for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Atom.

    Reinventing of 3D puzzles. Experimental gameplay you've never seen before.

    2020IndieAdventureSimulation0.99 USDSteam ↗
  5. ENCYCLE

    WHY THIS

    Ranked #5 for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with Atom.

    A slightly hallucinogenic puzzle platformer.

    2021IndieCasual1.99 USDSteam ↗
  6. Meta Lines

    WHY THIS

    Ranked #6 for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Atom.

    When you feel bored, tired and dazzled by the cool game pictures, it's better to play a relaxed, intellectual and simple leisure game Meta Lines, which is suitable for playing while waiting in line for another game. Wish you have a good time !

    2023StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  7. 87 Aftermath: A Rolling Ball Game

    WHY THIS

    Ranked #7 for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie with Atom.

    The Event of 2187 left no survivors. In an instant, Earth became a barren wasteland - a lifeless rock floating aimlessly through space. Until 4129. That's when Zenith landed. Set years later, 87 Aftermath is the story of a nameless orbling on a quest to escape from Earth and return home.

    2021ActionStrategyIndie9.99 USDSteam ↗
  8. Unserious Sandbox

    WHY THIS

    Ranked #8 for Atom fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with Atom.

    A single-player casual game. You play as Sandbox characters, parkour and idle.

    2025IndieCasualEarly Access1.99 USDSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Atom.

    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?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  2. Steam Engine Simulator

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Atom.

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

    2023SimulationFreeDeck VerifiedSteam ↗
  3. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Atom.

    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 PlayableSteam ↗
  4. Landfall Archives

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Atom.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeSteam ↗
  5. SuchArt: Creative Space

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Atom.

    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 PlayableSteam ↗
  6. Crime Scene Cleaner: Prologue

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Atom.

    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.

    2024ActionSimulationFreeSteam ↗
  7. Outpath: First Journey

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Atom.

    Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!

    2022IndieAdventureCasualFreeDeck PlayableSteam ↗
  8. South Scrimshaw, Part One

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Atom.

    South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.

    2023IndieCasualFreeDeck PlayableSteam ↗

More from PanGuoJun

Other recommendable Steam games by PanGuoJun, ranked by review count so the studio's hits land first.

  1. Black Hole Simulator

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    A simple black hole simulator.

    2021IndieAdventureSimulation0.99 USDSteam ↗
  2. Tree Bonsai

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    An artistic bonsai tree simulation game that follows the life cycle of a plum tree. You can cut branches, add nutrients, and graft while the seasons pass and your tree grows. You can finally fulfill your dreams of a digital bonsai.

    2019IndieSimulationCasual0.49 USDSteam ↗
  3. Plankton

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    Minimalist style game : plankton simulation, an electronic pet generated by math codes. Under your care it will slowly grow up and evolve.

    2016IndieSimulationCasual0.49 USDSteam ↗
  4. Flower Design

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    A flower arrangement sandbox game. The shapes and colors are freely adjustable and there is a garden where you can build a house and put flowers in.

    2017IndieSimulationCasual0.49 USDSteam ↗
  5. Jellyfish

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    A simulation game about the life story of a jellyfish. In this game, I will present the full life cycle of a jellyfish: from an egg to a hydra and finally, after a not very long journey it becomes an adult jellyfish. A work of interactive art to bring the most beautiful of sea creatures to your screen.

    2017ActionIndieAdventure0.49 USDSteam ↗
  6. Flower Design Ⅱ

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    An artistic floral arrangement simulation game, a vase of flowers can track your mood at the moment.

    2020IndieSimulationCasual0.49 USDSteam ↗
  7. I Am a Rock

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    A rock's solar system odyssey.

    2022StrategyIndieAdventure0.99 USDSteam ↗
  8. Yin Yang Space

    WHY THIS

    Another title from PanGuoJun, the studio behind Atom. Shares Indie and Simulation with Atom.

    A sandbox FPS game, you can build gardens in the most intuitive and simple way and play with robots.

    2024ActionIndieSimulation0.49 USDSteam ↗

Frequently asked about Atom

How much does Atom cost?
Atom is listed on Steam at 0.49 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Atom?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Atom are Black Hole Simulator, I Am a Rock, Flower Challenge.
Who developed Atom?
Atom was developed by PanGuoJun.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Atom.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

24 Games Like Atom — Ranked for 2026 · imho.run