IMHO.

Games like Harmonia

If Harmonia is your kind of game, the closest matches are planetarian HD, Stella of The End and Stellaren II — picked from the ranked list below. Reviewers single out its atmospheric, bleak and contemplative. 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 Harmonia: From renowned visual novel studio Key, which brought you the highly rated visual novel “planetarian~the reverie of a little planet~”, this is “Harmonia”, the latest kinetic novel in the series.

2016AdventureSimulationCasual9.99 USDDeck PlayableWindowsby VisualArts/Key
Harmonia — Steam game cover
Players highlight
Emotional reconstruction drives the core experienceMusic and atmosphere heighten emotional impactNarrative twist reframes the entire storyAtmosphericBleakContemplative

Players who liked Harmonia also play

Steam players who put hours into Harmonia 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. planetarian HD

    WHY THIS

    Shares an atmospheric mood with Harmonia.

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

    planetarian HD is an engaging and emotional visual novel from legendary game studio, Key. A sub-brand of VISUAL ARTS, Key are also famed for creating Kanon, AIR, CLANNAD, Little Busters!, Rewrite, Angel Beats!, and Summer Pockets.

    2017AdventureSimulationCasual9.99 USDDeck PlayableSteam ↗
  2. Stella of The End

    WHY THIS

    Shares kinetic novel and an atmospheric mood with Harmonia.

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

    Jude Gray, a wandering Courier, receives a request to deliver some very special cargo. This cargo turns out to be Philia, an android girl who is unaffected by the enigmatic Singularity Machines.

    2023AdventureSimulationCasual19.99 USDDeck PlayableSteam ↗
  3. Stellaren II

    WHY THIS

    Shares an atmospheric mood with Harmonia.

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

    A space sci-fi visual novel in post-apocalyptic worldCombines a unique visual novel experience with multiple mini-games!Travel across multiple locations across space and meet a diverse set of interesting characters.

    2020StrategyIndieSimulation3.99 USDSteam ↗
  4. planetarian ~the reverie of a little planet~

    WHY THIS

    Shares an atmospheric mood with Harmonia.

    Ranked #4 for Harmonia fans by collaborative filtering across millions of Steam libraries. Shares Casual with Harmonia.

    In time for the 10th anniversary since its original release in Japan, planetarian is an engaging and emotional visual novel from legendary game studio, Key. A sub-brand of VisualArts, Key are also famed for creating Kanon, AIR, CLANNAD, Little Busters!, Rewrite, and Angel Beats!

    2014CasualSteam ↗
  5. Harmonia Full HD Edition

    WHY THIS

    Shares kinetic novel and an atmospheric mood with Harmonia.

    Ranked #5 for Harmonia fans by collaborative filtering across millions of Steam libraries. Shares Adventure and Simulation with Harmonia.

    Set in a war-torn world in the distant future, the sci-fi kinetic novel "Harmonia" follows a mechanical boy and a human girl as they find their way to each other's hearts. Key's 15th anniversary title is back with full voice and FHD resolution, including the main character!

    2024AdventureSimulationCasual14.99 USDDeck VerifiedSteam ↗
  6. Muv-Luv Alternative

    WHY THIS

    Shares a bleak mood with Harmonia.

    Ranked #6 for Harmonia fans by collaborative filtering across millions of Steam libraries. Shares Adventure and Casual with Harmonia.

    Playtime's over. Time for despair. Experience the definitive version of a masterpiece in the Muv-Luv trilogy's thrilling conclusion. Note: therapy not included.

    2018AdventureCasual39.99 USDDeck VerifiedSteam ↗
  7. planetarian: Snow Globe

    WHY THIS

    Shares kinetic novel and an atmospheric mood with Harmonia.

    Ranked #7 for Harmonia fans by collaborative filtering across millions of Steam libraries. Shares Adventure and Simulation with Harmonia.

    "planetarian: Snow Globe," the prequel to Key's sci-fi kinetic novel "planetarian: The Reverie of a Little Planet," is now available with binaural audio support! Enjoy the story of a companion robot and her coworkers at a planetarium, and the simple joys they find in their everyday lives.

    2025AdventureSimulationCasual3.99 USDDeck VerifiedSteam ↗
  8. G-senjou no Maou - The Devil on G-String

    WHY THIS

    Shares an atmospheric mood with Harmonia.

    Ranked #8 for Harmonia fans by collaborative filtering across millions of Steam libraries. Shares Adventure and Simulation with Harmonia.

    You play as Azai Kyousuke, the son of an infamous gangster. Kyousuke knows what he likes and lets nothing stand in his way in getting what he wants. Referred to as God by his classmates, he often enjoys listening to Bach and "working" part time for his stepfather.

    2015AdventureSimulationCasual19.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Harmonia at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Harmonia on Steam right now. Shares Simulation and Casual with Harmonia.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~50% under Harmonia on Steam right now. Shares Casual with Harmonia.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. Cookie Clicker

    WHY THIS

    Priced ~50% under Harmonia on Steam right now. Shares Simulation and Casual with Harmonia.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  4. WEBFISHING

    WHY THIS

    Priced ~50% under Harmonia on Steam right now. Shares Casual with Harmonia.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  5. POSTAL 2

    WHY THIS

    Priced ~90% under Harmonia on Steam right now. Shares Adventure with Harmonia.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  6. Buckshot Roulette

    WHY THIS

    Priced ~70% under Harmonia on Steam right now. Shares Simulation with Harmonia.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  7. Brotato

    WHY THIS

    Priced ~50% under Harmonia on Steam right now. Shares Casual with Harmonia.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  8. Your Only Move Is HUSTLE

    WHY THIS

    Priced ~50% under Harmonia on Steam right now. Shares Simulation with Harmonia.

    Master your technique, execute flashy combos, and outsmart opponents across the world, frame-by-frame. Slow down the clock to fine-tune your fighting style in this innovative, turn-based combat simulator. Pulverize your friends and choreograph spectacular fight scenes. No training mode required.

    2023ActionStrategyIndie4.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Doki Doki Literature Club!

    WHY THIS

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

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

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

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. The Murder of Sonic the Hedgehog

    WHY THIS

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

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  6. Indigo Park: Chapter 1

    WHY THIS

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

    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 PlayableSteam ↗
  7. missed messages.

    WHY THIS

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

    ‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  8. NGU IDLE

    WHY THIS

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

    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!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗

More from VisualArts/Key

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

  1. CLANNAD

    WHY THIS

    Shares a melancholic mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Adventure and Casual with Harmonia.

    From the world renowned visual novel studio Key, the highly rated story of CLANNAD is now available on Steam! Improved visuals, achievement integration, and Dangopedia make this the best version of CLANNAD to date.

    2015AdventureCasual44.99 USDSteam ↗
  2. Summer Pockets

    WHY THIS

    Shares an atmospheric mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Adventure and Casual with Harmonia.

    From the creators of Angel Beats! and CLANNAD, Key, comes their latest emotional, award-winning journey. Follow protagonist Takahara Hairi as he travels to the secluded island Torishirojima, where he rediscovers what it means to enjoy summer vacation.

    2020AdventureCasual44.99 USDDeck PlayableSteam ↗
  3. planetarian HD

    WHY THIS

    Shares an atmospheric mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Adventure and Simulation with Harmonia.

    planetarian HD is an engaging and emotional visual novel from legendary game studio, Key. A sub-brand of VISUAL ARTS, Key are also famed for creating Kanon, AIR, CLANNAD, Little Busters!, Rewrite, Angel Beats!, and Summer Pockets.

    2017AdventureSimulationCasual9.99 USDDeck PlayableSteam ↗
  4. Stella of The End

    WHY THIS

    Shares kinetic novel and an atmospheric mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Adventure and Simulation with Harmonia.

    Jude Gray, a wandering Courier, receives a request to deliver some very special cargo. This cargo turns out to be Philia, an android girl who is unaffected by the enigmatic Singularity Machines.

    2023AdventureSimulationCasual19.99 USDDeck PlayableSteam ↗
  5. planetarian ~the reverie of a little planet~

    WHY THIS

    Shares an atmospheric mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Casual with Harmonia.

    In time for the 10th anniversary since its original release in Japan, planetarian is an engaging and emotional visual novel from legendary game studio, Key. A sub-brand of VisualArts, Key are also famed for creating Kanon, AIR, CLANNAD, Little Busters!, Rewrite, and Angel Beats!

    2014CasualSteam ↗
  6. Little Busters! English Edition

    WHY THIS

    Shares a melancholic mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Adventure and Simulation with Harmonia.

    Capturing the hearts of countless fans since 2007, Little Busters! is an emotional visual novel from Key, the minds behind Angel Beats! and CLANNAD. This special English release supports touch controls and dynamic switching between English and Japanese text, and is in HD for the first time on PC.

    2017AdventureSimulationCasual34.99 USDDeck VerifiedSteam ↗
  7. LOOPERS

    WHY THIS

    Shares kinetic novel and an atmospheric mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Adventure and Simulation with Harmonia.

    Tyler is a high schooler on a mission. He's going to use every minute of summer vacation to go on as many GPS-assisted scavenger hunts as possible. After running into some old friends during one of these hunts, strange things start happening: The day resets and today plays out exactly like yesterday

    2023AdventureSimulationCasual19.99 USDDeck VerifiedSteam ↗
  8. Tomoyo After ~It's a Wonderful Life~ English Edition

    WHY THIS

    Shares a melancholic mood with Harmonia.

    Another title from VisualArts/Key, the studio behind Harmonia. Shares Adventure and Casual with Harmonia.

    From renowned visual novel studio Key, this is the sequel to the highly acclaimed visual novel CLANNAD. Featuring a truly memorable continuation to Tomoya and Tomoyo's journey, Tomoyo After promises to draw you even further into CLANNAD's world.

    2016StrategyAdventureRPG19.99 USDDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Harmonia Full HD Edition

    WHY THIS

    Shares kinetic novel and an atmospheric mood with Harmonia.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure and Simulation with Harmonia.

    Set in a war-torn world in the distant future, the sci-fi kinetic novel "Harmonia" follows a mechanical boy and a human girl as they find their way to each other's hearts. Key's 15th anniversary title is back with full voice and FHD resolution, including the main character!

    2024AdventureSimulationCasual14.99 USDDeck VerifiedSteam ↗
  2. Muv-Luv Alternative

    WHY THIS

    Shares a bleak mood with Harmonia.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure and Casual with Harmonia.

    Playtime's over. Time for despair. Experience the definitive version of a masterpiece in the Muv-Luv trilogy's thrilling conclusion. Note: therapy not included.

    2018AdventureCasual39.99 USDDeck VerifiedSteam ↗
  3. planetarian: Snow Globe

    WHY THIS

    Shares kinetic novel and an atmospheric mood with Harmonia.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure and Simulation with Harmonia.

    "planetarian: Snow Globe," the prequel to Key's sci-fi kinetic novel "planetarian: The Reverie of a Little Planet," is now available with binaural audio support! Enjoy the story of a companion robot and her coworkers at a planetarium, and the simple joys they find in their everyday lives.

    2025AdventureSimulationCasual3.99 USDDeck VerifiedSteam ↗

Frequently asked about Harmonia

Does Harmonia run on Steam Deck?
Harmonia is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Harmonia cost?
Harmonia is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Harmonia?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Harmonia are planetarian HD, Stella of The End, Stellaren II.
Who developed Harmonia?
Harmonia was developed by VisualArts/Key and published by VisualArts.

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 Harmonia.

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

35 Games Like Harmonia — Ranked for 2026 · imho.run