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planetarian ~the reverie of a little planet~

planetarian ~the reverie of a little planet~

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!

Released Sep 12, 2014 Developer VisualArts/Key Publisher Sekai Project Platforms Windows Visual NovelAnimePost-apocalypticSci-fiStory Rich
View on Steam ↗ Free (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

97.6%positive2,032 reviews
Recommended · 1 found this helpful

“[b]PLANETARIAN ~THE REVERIE OF A LITTLE PLANET~[/b], is a beautiful short story that carries the same VisualArts/Key cry your eyes out type narrative. There is little world building but it doesn't really need it, nor does it try to lean on any romance or graphics. The story is…”

— a player, Steam review · 13 hrs played
Recommended · 1 found this helpful

“To have such a simple story touch people's heart is an incredible feat. This is a short game, but I recommend everyone who enjoys Visual Novel to play this. You won't regret it.”

— a player, Steam review · 2 hrs played
Recommended · 1 found this helpful

“A beautiful short story that was far more touching than I could have anticipated. If you appreciate Visual Novels or are looking to try one out, please read this.”

— a player, Steam review · 2 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

19achievements
36.6%median completion
32.6%rarest: Music Mode
51.5% of players 46.0% of players 43.2% of players 41.1% of players 38.8% of players 38.2% of players 38.0% of players 37.6% of players 37.2% of players 36.6% of players 36.1% of players 36.0% of players 35.9% of players 35.8% of players 35.8% of players 35.8% of players 35.7% of players 33.8% of players 32.6% of players 51.5% 0% most earned rarest
Almost everyone has
51.5%The Robot's Bouquet — Hidden achievement
46.0%The Sealed City and the Junker — Hidden achievement
43.2%The Junker's Reverie 1 / At Reception — Hidden achievement
Rarest badges of honor
32.6%Music Mode — Used the Music Mode
33.8%CG Mode — Used the CG Mode
35.7%planetarian ~the reverie of a little planet~ — Completed planetarian ~the reverie of a little planet~

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

Freecurrent · sampled 2026-07-26 08:39 UTC
Freelowest since tracking began2026-07-11

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Nov 22, 2022
Pending removal from Steam

planetarian ~the reverie of a little planet~ will be delisted from Steam on December 1st 2022. Don't miss out owning a piece of history of the first VisualArts/Key game on Steam. Thank you for all you

May 09, 2018
【VisualArts Localization Survey 2018】

The VisualArts Localization survey is live! We invite all Key fans and visual novel fans to tell them what you’d like to see! Please give it a look and make your voice heard! The survey link is in the

Oct 05, 2016
VisualArts/Key's latest game Harmonia is on Steam!

Just in case you don't know, but VisualArts/Key released a new game on Steam recently http://store.steampowered.com/app/421660/

Oct 05, 2016
VisualArts/Key's latest game Harmonia is on Steam!

Just in case you don't know, but VisualArts/Key released a new game on Steam recently http://store.steampowered.com/app/421660/

Jul 07, 2016
planetarian Streaming on Funimation

If you're in US, Canada, UK and Ireland it is watchable on Funimation

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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresCasual
Player tagsVisual Novel · Anime · Post-apocalyptic · Sci-fi · Story Rich · Casual · Great Soundtrack · Cute · Robots · Linear · Singleplayer · Drama (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Family Sharing
LanguagesEnglish, Japanese * *
Achievements19
Estimated owners50,000 – 100,000 (SteamSpy)
Minimum system requirements (PC)

Minimum: OS: Vista or higher Processor: 1.2 GHz Pentium 4 Memory: 128 MB RAM Graphics: 800x600 Storage: 500 MB available space