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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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“9/10, How dare they make me fall for and cry over a clanker.”
— a player, Steam review · 4 hrs played“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“A short but beautiful and deeply emotional visual novel”
— a player, Steam review · 4 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-26 14:58 UTC · history via SteamCharts.
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.
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.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
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
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
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
"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
"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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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.
| Genres | Adventure, Casual, Simulation |
| Player tags | Visual Novel · Anime · Casual · Adventure · Robots · Post-apocalyptic · Drama · Story Rich · Simulation · Cute · Singleplayer · Emotional (SteamSpy community voting) |
| 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 * |
| Achievements | 21 |
| Estimated owners | 20,000 – 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