Planetarian HD cover
First release
Jul 29, 2016
Developer
Key
Publisher
Visual Arts
Engine
Real Live
Genres
Adventure, Simulator, Visual Novel · Drama, Science fiction

Planetarian HD 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!

Also known as planetarian HD Edition, SiglusEngine_Steam.exe

Attributes

No Attributes added.

Details

Storyline, release dates, time to beat, age ratings, modes, links, keywords

Storyline
"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." 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...Read more

"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." 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...

Release dates
PC (Microsoft Windows)
Jul 29, 2016
PC (Microsoft Windows)
May 08, 2017
Time to beatIGDB · recorded
Main + Extras
4h
Completionist
4h
Game modes
Single player
Perspective
Text, First person
Keywords
post-apocalyptic, kinetic novel, male protagonist, no sexual content, unlockable gallery
… All 9, single ending, adult protagonist, music recollection, linear plot

At a Glance

Main + Extras (IGDB)
4h
Completionist (IGDB)
4h

How it plays

Languages

  • Englishinterface, subtitles
  • Deutschinterface, subtitles
IGDB · recorded 24 Oct 2026
Also in 5 other languages

Language data: IGDB · recorded 24 Oct 2026