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Harmonia

Game overview

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.

Adventure Casual Visual Novel Anime Simulation
Last tracked players
1
All-time peak
2
24-hour change
Unavailable
Steam reviews
95.4% positive
741 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description
Love is the one thing that will never hurt anyone.

<STORY>

This is a story of the distant future.
An immense war left the world broken and torn.
Ashes covered the sky, the land was stripped of vegetation, and water dried up.
As a result, the human population drastically decreased.
The remaining humans huddled together to survive.

During this time, an emotions-capable robot known as a Phiroid woke up in a decayed factory.
Prior to the war, science created these human-like robots capable of feeling emotion.
As new partners for the humans, the Phiroids promised better lives for all of humanity.
However, upon waking, this Phiroid soon realized that its emotions were not functioning.
Its right hand lacked artificial skin and the mechanical parts showed how its production likely went unfinished.
This young male Phiroid had an innate desire to be with humans.
And so it began a journey to obtain its lost emotions, and wandered across this devastated world.
One day, the Phiroid was discovered by a young girl.
Thinking he was a human, she began to look after him.
She brought him to a small, but pleasant town.
While living with the young girl, the Phiroid slowly learned about emotions.

What is Kinetic Novel?
A new form of entertainment for the sole purpose of storytelling -- not a novel, not an anime, not a game -- Kinetic Novel.
Made with the goal of providing the reader with an unprecedented sense of presence and empathy for the characters through the use of a high-quality scenario, graphics, music, and other production values.

<CHARACTER>

“The Emotionless Mechanical Boy” Rei
This young boy awoke to find himself in the remains of what seemed to be a factory.
His right hand lacks artificial skin as he had been abandoned mid-production. A glove always covers the exposed machinery.
He wandered the ravaged landscape, following an innate desire to be with another human. Until one day, he was found by a young girl named Shiona.
Shiona gave him the name Rei.

“The Girl who Sings her Feelings” Shiona(CV:Kaori Mizuhashi)
Shiona is the young girl who discovered Rei. She lives in a church located in one of the makeshift towns of this devastated world.
Next to nothing can erase the smile from her face, and she is often found consoling others.
She frequently refers to the feelings and emotions of people in terms of shapes and colors, which can be difficult to understand.
She loves to sing and often performs in the church or the town square.

“The Blue Little Lady from the Library” Tipi(CV:Misaki Kuno)
This young girl lives in the town's library. For some reason, she is often found crying.
In age of digital books, this strange place for storing physical copies still exists.
Shiona calls her the “blue girl”.
Although the townsfolk know about her, few venture anywhere near.

<STAFF>

Character Design & Original Art : Itaru Hinoue.

Scenario : Tsuzuru Nakamura / Kai
Music : Shinji Orito / Ryo Mizutsuki

Theme Music : “Todoketai Melody”
Lyrics : Kai
Composition : Shinji Orito
Arrangement : Yuichiro Tsukagoshi (NanosizeMir)
Vocals : Ayaka Kitazawa

Insert Song : “Towa no Hoshi e”
Lyrics : Kai
Composition : Tomohiro Takeshita
Arrangement : Meeon
Vocals : Haruka Shimotsuki

Player activity

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Price history

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Interactive Fiction Competition 2017 【Harmonia Theme Song DLC and Steam Trading Cards】 planetarian is 50% off!
System requirements Windows

Windows

Minimum

Minimum:
  • OS *: Microsoft Windows® 10/8/7/Vista
  • Processor: Intel Core 2 Duo or higher
  • Memory: 1 GB RAM
  • Graphics: 256MB Video Memory (with Pixel Shader 2.0)
  • DirectX: Version 9.0
  • Storage: 4 GB available space
  • Sound Card: Required

Recommended

Recommended:
  • OS: Microsoft Windows® 10
  • Processor: Intel Core i3 or higher
  • Memory: 2 GB RAM
  • Graphics: 512MB Video Memory (with Pixel Shader 2.0)
  • DirectX: Version 9.0
  • Storage: 4 GB available space
  • Sound Card: Required
Game details Languages, features & support
Publisher
VisualArts
Brazilian rating
12
Steam Germany rating
16
Content warning
The game includes content such as horror, violence, and partial nudity.
Achievements
14
Features
Single-player, Steam Achievements, Steam Trading Cards, Steam Cloud, Family Sharing
Languages
English, Simplified Chinese
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
playable
Valve compatibility test
Input
Controller support: unknown
Structured language support (3)
LanguageInterfaceFull audioSubtitles
EnglishYesNoYes
JapaneseNoYesNo
Simplified ChineseYesNoYes
Steam store page fresh · checked 2026-10-06 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Game Insights

Buy Verdict

Watch — $3.99.

Decent deal at 60% off, but might drop further. Watch for better opportunities.

▬ ~27 days until next sale

Value Score

Fair Value — 68th percentile.

Price-to-player ratio ranks in the 68th percentile. Priced as Market at $3.99.

▬ Market pricing tier

Genre Benchmarks

Player Count Top 39%
Value Ratio Top 32%

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Developer Analytics

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Frequently Asked Questions

Is Harmonia worth buying right now?
Watch — $3.99. Decent deal at 60% off, but might drop further. Watch for better opportunities.
When does Harmonia go on sale?
Decent deal at 60% off, but might drop further. Watch for better opportunities.
Is Harmonia free to play?
Harmonia costs $3.99 on Steam.
What genre is Harmonia?
Harmonia is a Adventure, Casual, Simulation game.
Who developed Harmonia?
Harmonia was developed by VisualArts/Key and published by VisualArts.
What platforms does Harmonia support?
Available on Steam for Windows.

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