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planetarian HD

Game overview

planetarian HD

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.

Visual Novel Anime Casual Adventure Robots
Last tracked players
3
All-time peak
7
24-hour change
Unavailable
Steam reviews
98.9% positive
2,981 reviews · via SteamSpy

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

About this game Read the full description
Why don't you come to the planetarium?
The beautiful twinkling of eternity that will never fade, no matter what.
All the stars in the sky are waiting for you.

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.

Please do not divide Heaven in two...

It is thirty years after the failure of the Space Colonization Program.
Humanity is nearly extinct. A perpetual and deadly Rain falls on the Earth.
Men known as "Junkers" plunder goods and artifacts from the ruins of civilization.
One such Junker sneaks alone into the most dangerous of all ruins -- a "Sarcophagus City".
In the center of this dead city, he discovers a pre-War planetarium.
And as he enters he is greeted by Hoshino Yumemi, a companion robot.
Without a single shred of doubt, she assumes he is the first customer she's had in 30 years.
She attempts to show him the stars at once, but the planetarium projector is broken.
Unable to make heads or tails of her conversation, he ends up agreeing to try and repair the projector ...

For the first time, this heartwarming and memorable title is available on Steam!
It is fully voiced in Japanese, and can be experienced with both English and Japanese text.

Design, Scenario: Yuuichi Suzumoto
Music: Magome Togoshi
Voice Cast: Hoshino Yumemi - Keiko Suzuki
The Junker - Daisuke Ono


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.

Player activity

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System requirements Windows

Windows

Minimum

Minimum:
  • OS *: Microsoft Windows🄬 8.1 or higher
  • 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: 500 MB available space
  • Sound Card: Required

Recommended

Recommended:
  • OS *: Microsoft Windows🄬 11 / 10 / 8.1
  • Processor: Intel Core 2 Duo or higher
  • Memory: 2 GB RAM
  • Graphics: 512MB Video Memory (with Pixel Shader 2.0)
  • DirectX: Version 9.0
  • Storage: 500 MB available space
  • Sound Card: Required
Game details Languages, features & support
Publisher
VisualArts
Brazilian rating
12
Steam Germany rating
16
Achievements
21
Features
Single-player, Steam Achievements, Steam Trading Cards, Steam Cloud, Family Sharing
Languages
Simplified Chinese, Japanese*, German, Traditional Chinese, French, Spanish - Spain, Spanish - Latin America, English
*languages with full audio support
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 (8)
LanguageInterfaceFull audioSubtitles
EnglishYesNoYes
Simplified ChineseYesNoYes
JapaneseYesYesYes
GermanYesNoYes
Traditional ChineseYesNoYes
FrenchYesNoYes
Spanish - SpainYesNoYes
Spanish - Latin AmericaYesNoYes
Steam store page fresh · checked 2026-10-14 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Game Insights

Buy Verdict

Wait — $9.99.

Wait for upcoming sale in ~12 days for potentially better pricing.

▬ ~12 days until next sale

Value Score

Great Value — 79th percentile.

Price-to-player ratio ranks in the 79th percentile. Priced as Market at $9.99.

▲ Market pricing tier

Genre Benchmarks

Player Count Top 44%
Value Ratio Top 21%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

Is planetarian HD worth buying right now?
Wait — $9.99. Wait for upcoming sale in ~12 days for potentially better pricing.
When does planetarian HD go on sale?
Wait for upcoming sale in ~12 days for potentially better pricing.
Is planetarian HD free to play?
planetarian HD costs $9.99 on Steam.
What genre is planetarian HD?
planetarian HD is a Adventure, Casual, Simulation game.
Who developed planetarian HD?
planetarian HD was developed by VisualArts/Key and published by VisualArts.
What platforms does planetarian HD support?
Available on Steam for Windows.

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