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planetarian HD

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.

Released May 8, 2017 Developer VisualArts/Key Publisher VisualArts Platforms Windows Visual NovelAnimeCasualAdventureRobots
View on Steam ↗ $3.99 (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.

98.9%positive2,981 reviews
Recommended · 5 found this helpful

“9/10, How dare they make me fall for and cry over a clanker.”

— a player, Steam review · 4 hrs played
Recommended · 4 found this helpful

“Exploring the relationship between humanity and artificial intelligence is a staple of science-fiction stories. It's also something I am really fond of. [b]Planetarian[/b] is the earliest Key title exploring this theme, and its influence can be felt through [b]Harmonia[/b],…”

— a player, Steam review · 5 hrs played
Recommended · 2 found this helpful

“A short but beautiful and deeply emotional visual novel”

— a player, Steam review · 4 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-26 14:58 UTC · history via SteamCharts.

5playing at last check
624-hour peak
118all-time peak
0 5 10 2018 2019 2020 2021 2022 2023 2024 10 avg · May 2017

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.

21achievements
48.4%median completion
42.6%rarest: planetarian ~the reverie of a little planet~
89.3% of players 80.5% of players 65.4% of players 59.0% of players 55.8% of players 53.2% of players 50.6% of players 49.8% of players 49.5% of players 49.0% of players 48.4% of players 47.7% of players 47.2% of players 47.0% of players 46.8% of players 46.8% of players 46.7% of players 46.7% of players 44.6% of players 42.8% of players 42.6% of players 89.3% 0% most earned rarest
Almost everyone has
89.3%Started planetarian — Started planetarian for the first time
80.5%Opening — Read the Opening
65.4%The Robot's Bouquet — Finished Chapter 1, "The Robot's Bouquet"
Rarest badges of honor
42.6%planetarian ~the reverie of a little planet~ — Completed planetarian ~the reverie of a little planet~
42.8%Music Mode — Used the Music Mode
44.6%CG Mode — Used the CG Mode

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.

$3.99−60% right nowcurrent · sampled 2026-07-26 08:39 UTC
$9.99base price
$3.99lowest since tracking began2026-07-20
US3.99 USD−60%
EU3.99 EUR−60%
UK2.79 GBP−60%
Australia5.80 AUD−60%
Canada4.39 CAD−60%
Japan440 JPY−60%
Brazil7.99 BRL−60%
China14.40 CNY−60%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$1.6 China Japan Canada UK US Australia EU≈$4.5

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $10 $20 07-11 07-12 07-16 07-19 07-22 07-26

Latest official news

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

Sep 20, 2022
planetarian HD now in English and Japanese!

We added both English and Japanese as a new game language! To change the game language please right click on the game in your "Library", select "Properties" and change to either "English" or "Japanese

Nov 14, 2018
planetarian HD now in French and Spanish!

We added both French and Spanish as a new game language! To change the game language please right click on the game in your "Library", select "Properties" and change to either "French" or "Spanish-Lat

Nov 10, 2018
KSL Live World 2016 ~The Animation Charlotte & Rewrite~ is Now Available!

https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/30942356/663f2933b7c0f30d12144faf775b31ee46945c20.png Key loyalists and anisong lovers, rejoice! The full KSL Live World 2016 ~the An

Jan 31, 2018
"planetarian HD is Now Available in Traditional Chinese!"

A new update has been released for planetarian HD. With this update, planetarian HD is now playable in Traditional Chinese in addition to Simplified Chinese and German. We are also testing a new way t

Jan 31, 2018
"planetarian HD is Now Available in Traditional Chinese!"

A new update has been released for planetarian HD. With this update, planetarian HD is now playable in Traditional Chinese in addition to Simplified Chinese and German. We are also testing a new way t

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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.

GenresAdventure, Casual, Simulation
Player tagsVisual Novel · Anime · Casual · Adventure · Robots · Post-apocalyptic · Drama · Story Rich · Simulation · Cute · Singleplayer · Emotional (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Steam Cloud · Family Sharing
LanguagesSimplified Chinese, Japanese * , German, Traditional Chinese, French, Spanish - Spain, Spanish - Latin America, English *
Achievements21
Estimated owners20,000 – 50,000 (SteamSpy)
Minimum system requirements (PC)

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