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Planetarian: The Reverie of a Little Planet

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"Planetarian" redirects here. The word is also used to describe a member of the professional staff of a planetarium.
Planetarian: The Reverie of a Little Planet
Planetarian package.jpg
Planetarian: The Reverie of a Little Planet original visual novel cover.
planetarian ~ちいさなほしのゆめ~
(Planetarian: Chiisana Hoshi no Yume)
Genre Drama, Post-apocalyptic
Game
Developer Key
Publisher
Genre Visual novel
Platform Windows, PS2, FOMA, PSP, Android, iOS
Released
  • JP: November 29, 2004
  • WW: September 12, 2014
Light novel
Written by Yūichi Suzumoto
Illustrated by Eeji Komatsu
Published by VisualArt's
Demographic Male
Imprint VA Bunko
Published April 28, 2006
Original net animation
Directed by Naokatsu Tsuda
Written by
  • Naokatsu Tsuda
  • Shogo Yasukawa
Music by
Studio David Production
Licensed by
Released July 7, 2016August 4, 2016
Runtime 14–24 minutes each
Episodes 5 (List of episodes)
Film

Planetarian: The Reverie of a Little Planet (planetarian ~ちいさなほしのゆめ~ Planetarian: Chiisana Hoshi no Yume?) is a Japanese post-apocalyptic visual novel developed by Key, a brand of VisualArt's whose previous works include Kanon and Air. It was released over the Internet on November 29, 2004 for Windows PCs, and is rated for all ages. The game was later ported to the PlayStation 2 (PS2) and PlayStation Portable, as well as mobile devices. The story centers on a middle-aged man who comes across a malfunctioning robot in a dead city. The man, known simply as "the junker", stays with this robot for a time and attempts to fix the projector of the planetarium where the story takes place.

Key defines Planetarian as a "kinetic novel", since its gameplay offers no choices or alternate endings. Instead, the player proceeds through the story solely by reading. The story is written by Yūichi Suzumoto and Planetarian is one of two Key games not to have Itaru Hinoue as an artist, using Eeji Komatsu instead. The game's soundtrack was composed and arranged by Key's signature composers Magome Togoshi and Shinji Orito. A light novel of short stories set in the world of Planetarian was released in April 2006, and three audio dramas have also been produced. A five-episode original net animation adaptation was streamed online between July and August 2016, and an anime film will be released in September 2016. Planetarian's story, artwork and music have been praised, and the PS2 version ranked first for console games in terms of satisfaction in 2007.

Gameplay[edit]

Average dialogue and narrative in Planetarian depicting the main character, the junker, talking to Yumemi.

Planetarian is a post-apocalyptic visual novel in which the player assumes the role of the junker. Unlike traditional visual novels, no choices are given to the player in Planetarian to advance the story, and there is only one possible ending; this is what Key referred to as a kinetic novel.[1] The player can choose when to advance to the next dialogue screen or put the game on auto play. In this respect, the player does not play the game as if it were a video game, but plays it rather more like one would play a music track on a CD or play a DVD film. During gameplay, the player can choose to hide the text from view and go back to any previous lines.[2] The game can be saved at any point in any of the five save slots available, and a load option is available where the player can load any of the automatically saved chapter markers, or choose to load any of the manually saved games.[2]

By length of story, Planetarian is the shortest of Key's games. Excluding the opening and ending sequences, there are 16 parts to the story; the first half is set within the planetarium while the latter half is set outside in the ruined city where the planetarium resides. The novel takes four hours and forty minutes to complete on auto play.[note 1] After the game has been completed at least once, two new options appear on the title screen. The first is a feature that allows the player to view twenty images of CG artwork observed in the game. The second option allows the player to listen to eight of the nine music tracks featured in the game.[2]

Plot[edit]

Matsubishi Department Store, the real life counterpart of Flowercrest Department Store in Planetarian.

Setting[edit]

The game is set in a post-apocalyptic world.[2] It is said that due to the depletion of natural resources, overpopulation, and the failure of the Space Exploration Project, humanity has virtually eradicated itself through biological and nuclear warfare, turning a once prosperous civilization into complete ruin, cast in darkness and poisoned by constant rain[3] from nuclear fallout. One military invasion in the past was at Mare Nectaris. The bloodshed continues 30 years after the war in a dystopic world via automated war machines, which kill anyone trespassing into their territory. Of the remaining humans, there are those known as "junkers" who go around scavenging for anything in order to survive; the protagonist in the story is one.[2]

The main location where most of the story takes place is the fictional Flowercrest Department Store in a derelict city. It is based on the real Matsubishi Department Store of Hamamatsu, Shizuoka in Japan,[4] although the planetarium on the rooftop is fictitious. The onset of the story takes place within the planetarium which is where the protagonist first meets Yumemi. The most prominent feature in the room when a show is not taking place is the large black planetarium projector called "Miss Jena", which is placed on a stage in front of the seats. The planetarium has electricity when the protagonist arrives, but only for a short time. Once a year, for 168 hours, electricity in the planetarium is operational, but the projector is broken. The rest of the floors in the department store are in ruins; mold and rats run rampant.[2]

Characters[edit]

The junker (屑屋 Kuzuya?)
Voiced by: Daisuke Ono (Japanese); David Matranga[5] (English)
The protagonist is a nameless middle-aged soldier living the life of a "junker"—scavenging useful items among ruined cities to survive. He enters a derelict city searching for undamaged goods and finds an abandoned planetarium on the roof of a building he first thinks is a military facility. There, he meets Yumemi Hoshino, a gynoid designed to look like a young girl who annoys him greatly due to her constant talking.[2] The protagonist has a tough personality that comes from trying to survive in a dystopic world. He carries a grenade launcher with him and covers himself with a waterproof coat to protect his skin from the toxic rain. For drinking water, his canteen has a water purifier that can purify the rain. He is constantly searching for rarer substances such as cigarettes and alcohol which can be sold at high prices.[2]
Yumemi Hoshino (ほしのゆめみ Hoshino Yumemi?)
Voiced by: Keiko Suzuki (Japanese); Jill Harris[5] (English)
Yumemi is a goodhearted but extremely talkative gynoid attendant of an abandoned planetarium; she is designed to look like a young girl. Yumemi is slightly damaged and completely unaware of the changes that have occurred in the past 30 years,[3][6] as none of the facilities and databases that she connects to exist anymore. Therefore, she treats the protagonist like a regular guest by calling him "Mr. Customer" (お客様 Okyaku-sama?), speaks of the world as it was before the war, and fails to understand any information he tells her, other than things related to her job at the planetarium.[2] The name "Hoshino Yumemi" itself is a pun—"hoshi" means star or planetary body; "no" is a possessive particle; "yume" is a dream or a reverie; "mi" means see. Yumemi is the only character shown to the audience of the game.[2]
Yumemi is very adamant about protecting humans and is happiest when she is helping those she serves. When she is unable to help someone, she gets terribly worried that she is incapable of offering assistance and must instead indirectly help a customer by directing him or her to someone who can. Protecting humans is her top priority and will even ignore previous orders to make sure no human is harmed when in her care.[2]

Story[edit]

While dodging detection from war machines in a ruined city, the protagonist enters a building with a dome on the roof to search for usable supplies. Once inside the dome, he meets Yumemi, who offers to show him a special commemorative projection especially reserved for the 2,500,000th customer, although he is in fact the 2,497,290th customer. Despite his aggravation with her, he agrees to attend her show. However, the projector device, "Miss Jena",[note 2] has broken down and is in need of repair. After he repairs it,[3] Yumemi starts the show, presenting a projection of the starry sky, something that cannot be seen from the surface because of the polluted skies. The power goes out in the midst of the show, but Yumemi proceeds through the rest of the event with no visuals at the request of the protagonist.

Afterward, both of them leave the planetarium, as Yumemi insists on escorting him back to his vehicle outside the city walls. The protagonist plans to transport Yumemi out of the city after her battery runs out and find a way to reactivate her. A machine the protagonist calls a fiddler crab, due to its design, is guarding the entrance to the city in which he came from, and he devises a plan to destroy it armed with only a grenade launcher. After his initial plan fails and he is forced to face the machine front on, Yumemi tries to protect the protagonist, but is blown in half by the war machine's machine guns.

Yumemi spends her emergency battery life replaying her pre-war memories to the protagonist using a tiny holographic projector on her ear. When the video fades, she reveals that she had known that the planetarium would never have more customers during the 30 years she was alone, despite her apparent infinite optimism up to this point. In her final moment as she "dies" in front of him, Yumemi ejects the memory card from her artificial brain for his safekeeping. Touched and completely shaken by the loss of the beautiful world she left in his mind, he throws away his gun and puts the memory card in his coat, before wandering off with a broken leg as the fallen war machine's automated backup units are closing in on the scene.

Development[edit]

Planetarian is Key's fourth visual novel, and had a small staff of three main people that did the majority of the work for the game's first release.[1] Unlike previous Key titles, Planetarian's art director position was given to Eeji Komatsu instead of Itaru Hinoue who had held the position for the three previous games.[7] Komatsu was chosen not only because of his specialty in depicting mechanics and robots, but also because he could represent short scenes which touch on a robot's existence to reproduce a person's ideals. Furthermore, Key was not short on staff at the time, and was not forced to outsource the artwork of Planetarian.[8] Jun Maeda, Key's main scenario writer and project planner, was left out of the project, and Yūichi Suzumoto was given the position of planning and scenario.[1] The music, excluding a single piece composed by Shinji Orito, was arranged or composed entirely by Magome Togoshi, one of Key's signature composers.[1] Planetarian was the first game under the brand name KineticNovel to be described by the term "kinetic novel".[8]

In the original version, Yumemi is only voiced during the beginning and ending scenes, while other characters are not voiced. When Planetarian was released for Windows PCs on CD-ROM, Yumemi had full voice acting.[9] The PlayStation 2 (PS2) port offers full voice acting for the entire cast.[10] Other changes to the PS2 version include a higher resolution for the computer graphics and an extended soundtrack.[11] All other later versions contained full voice acting.

Release history[edit]

Planetarian was released on November 29, 2004 via download over the Internet playable on Windows PCs, and was first made available only to Yahoo! Japan Broadband users.[9] The game was opened up for general sale on December 6, 2004.[1][8] Key released a CD-ROM version for Windows PCs on April 28, 2006 in limited and regular editions.[12][13] An updated version of Planetarian compatible for Windows Vista PCs was released by Key on July 31, 2009 in a box set containing five other Key visual novels called Key 10th Memorial Box.[14] Another updated version compatible for Windows 7 PCs called Planetarian: The Reverie of a Little Planet Memorial Edition was released on April 30, 2010.[15] The Memorial Edition also came bundled with the three previously released Planetarian drama CDs.[1] An HD edition for Windows was released on July 29, 2016.[16] Planetarian was released on Steam by Sekai Project in English for Windows on September 12, 2014,[17] with later support planned for OS X and Linux devices.[18] The Steam release was updated on September 17, 2014 to allow the user to switch to the original Japanese version of the game.[19]

A consumer console port of the game was released for the PS2 on August 24, 2006 by Prototype.[10][20] A version playable on FOMA mobile phones was released by Prototype through VisualArt's Motto on November 24, 2006.<[21] A limited edition version of Planetarian developed by Prototype playable on the PlayStation Portable (PSP) was available for purchase between February 28 and March 1, 2009 at Key 10th Memorial Fes, an event held in commemoration of Key's ten-year anniversary.[22][23] A downloadable version of the PSP release via the PlayStation Store was released by Prototype on August 24, 2009.[24] Prototype again sold the PSP version at their Prototype Fan Appreciation 2010 event on May 30, 2010.[25][26] The PSP version was re-released on May 12, 2011 as a fundraising release for the 2011 Tōhoku earthquake and tsunami.[27] A mobile app version playable on Android and iOS devices was released on November 30, 2011.[28][29][30] An updated iOS version released in January 2013 includes support for English readers.[31][32][33]

Adaptations[edit]

Light novel[edit]

A light novel featuring a collection of four illustrated short stories, including a prologue and an epilogue, and based on Planetarian's story were written by Yūichi Suzumoto and illustrated by Eeji Komatsu. The 243-page novel was originally bundled with the limited edition of the CD version of Planetarian, and was also included in the limited edition of the PlayStation 2 version.[10] The book was re-published as a commercial release by VisualArt's under their VA Bunko light novel imprint on October 31, 2008, and was the second title on the imprint.[34][35] A downloadable version of the novel titled Hoshi no Hito: Planetarian Side Story on Android devices was released on November 30, 2011, followed by a version on iOS devices on December 14, 2011.[36][37][38] The first two stories presented occur before the events of the kinetic novel, and the latter two occur during its aftermath. The front matter of the book reads, "Starry sky, words, God, robots. A collection of short stories in the key of these four themes."[39] A short preview of the book is available online.[40]

Snow Globe (雪圏球 Sunō Gurōbu?)
This story occurs before the events of the war that brought the world to ruin; at this point, Yumemi has been working at the Flowercrest Department Store's rooftop planetarium for about ten years. One day, Yumemi begins to act strangely, culminating in her simply walking out and wandering around the town. The staff of the planetarium are bewildered, and one of the workers—a woman named Satomi Kurahashi—is ordered to go follow Yumemi and bring her back. Before long, Yumemi begins to run out of battery power.
Jerusalem (エルサレム Erusaremu?)
This story occurs as the war reaches its height. The South American Unification Army receives reports of a rogue sniper operating deep in the jungles of Patagonia, and sends a platoon under the command of Master Sergeant Murdock to neutralize the threat. However, the entire platoon is killed off one by one by the sniper, until only Murdock is left. All alone, Murdock catches a glimpse of this mysterious sniper through his binoculars—and is shocked to find that he gazes upon the figure of a beautiful nun.
Hoshi no Hito (星の人?, lit. "Man of the Stars")
This story occurs some time after the events of the kinetic novel, as human civilization struggles in a losing battle against the poisonous rain. Three of the last inhabitants of a nearly abandoned underground fallout shelter—named Levi, Ruth, and Job—find a quaint old man collapsed in the snow outside the bunker. When they bring him down, they are surprised to hear the adults calling him "Man of the Stars". The children grow quite interested about his strange nickname, as well as the fact that they have never seen a visitor from the outside world. The old man recovers a bit and has the children help him in putting together a portable planetarium projector. This story offers an ultimate conclusion to the story in the kinetic novel.
Tircis and Aminte (チルシスとアマント Chirushisu to Amanto?)
Identical twins Tircis and Aminte study alone in a world of their own. Tircis begins to wonder why he is studying and how long will it go on. This is the story of how the answer reveals itself to Tircis and Aminte.

Drama CDs[edit]

Three drama CDs were released by Key Sounds Label based on the short stories in the light novel. The first, A Snow Globe, was released on December 29, 2006 at Comiket 71 bearing the catalog number KSLA-0027; it was later re-released on May 25, 2007 with a different cover.[41][42][43] The opening track takes place one year before the protagonist arrives at the planetarium and the "Snow Globe" story is told as a flashback. The end of the drama CD is where the kinetic novel begins. The second drama CD, Jerusalem, was released on July 27, 2007 bearing the catalog number KSLA-0029. The insert song "Brave New World" by fripSide is included at the end of the drama CD.[44] The final drama CD, Hoshi no Hito, was released on July 27, 2007 bearing the catalog numbers KSLA-0030–0031. This drama CD covers both the "Hoshi no Hito" and "Tircis and Aminte" stories. A cast of voice actors perform the characters in "Hoshi no Hito", but "Tircis and Aminte" is a recited story by Keiko Suzuki, the voice of Yumemi Hoshino.[45]

Anime[edit]

A five-episode original net animation (ONA) adaptation was produced by David Production and directed by Naokatsu Tsuda. The series was streamed on Niconico and other online services from July 7 to August 4, 2016. The screenplay is written by Tsuda and Shogo Yasukawa. Hitomi Takechi based the character design used in the anime on Eeji Komatsu's original designs. Sound and music direction is headed by Tsuda and Takayuki Yamaguchi. Katsuichi Nakayama and Shunsuke Machitani are the series directors. The anime's music is composed by Magome Togoshi, Shinji Orito, Donmaru and Tomohiro Takeshita. The main ending theme of the ONA series is "Twinkle Starlight" by Sayaka Sasaki. "Hoshi Meguri no Uta" (星めぐりの歌 Song of Circling Stars?) by Mell was used for the ending theme of episode five. The series will be released on a single Blu-ray compilation volume on September 28, 2016.[46] The same staff will also produce an anime film titled Planetarian: Hoshi no Hito that will premiere in Japanese theaters on September 3, 2016.[47]

Episode list[edit]

No. Official English title[a]
Original Japanese title[48]
Original air date
1 "The Robot's Bouquet"
"Robotto no Hanataba" (ロボットの花束) 
July 7, 2016
A man living the life of a "junker"—scavenging useful items among ruined cities to survive—enters a derelict city only to be chased by automated anti-personnel machines. He takes refuge in a former department store building and finds that it still has working electricity. On the top floor, the junker is greeted by Yumemi Hoshino, the friendly gynoid attendant of the department store's planetarium. Yumemi treats the junker as a customer and repeatedly implores him to watch a special presentation reserved for the 2,500,000th customer, but the projector is in need of repair. The junker attempts to leave the following day, but he has second thoughts after talking with Yumemi. 
2 "Repairing the Projector"
"Tōeiki Shūri" (投影機修理) 
July 14, 2016
The junker returns to the planetarium and begins repairs on the projector. Yumemi tells him that she has been in energy-saving mode for the past 30 years and is only active for one week in a year. Yumemi helps with the repairs by testing spare light bulbs for the projector. The junker brings up the subject of God, and suggests that Yumemi pray to the god of robots for the projector to get fixed sooner. Although Yumemi has no knowledge of a god of robots, she shows the junker a related holographic recording of her talking to the planetarium staff about a heaven for robots. The next day, the junker completes his repairs to the projector. 
3 "Yumemi's Projection"
"Yumemi no Tōei" (ゆめみの投影) 
July 21, 2016
Yumemi begins the projection, but just as the special presentation is about to start, the power goes out. The junker discovers that the electrical power that had been running to the building has now permanently shut off. However, the junker tells Yumemi to continue the presentation with only her explanations. Following the presentation, the junker goes to leave the planetarium, but Yumemi is concerned over the junker's return home. He tells her he has a car not far from the planetarium, so she offers to escort him. 
4 "Drunk with Alcohol"
"Sake ni You" (酒に酔う) 
July 28, 2016
The junker and Yumemi begin their trek through the ruined city, but are forced to take frequent stops to allow Yumemi's overheated components to cool. They come across a liquor store, and the junker finds a lone unbroken bottle of Scotch whisky inside. Close to the edge of the city, the junker sees a large search and destroy robot. The junker implores Yumemi to leave the city with him, but Yumemi cannot comprehend everything the junker is telling her about the abandoned city. Before he leaves to destroy the robot, the junker tells her to think over his offer and stay put. The junker fires a grenade launcher at the robot, but the grenade misfires, causing the robot to retaliate with a railgun
5 "Yumemi's Wish"
"Yumemi no Negai" (ゆめみの願い) 
August 4, 2016

Music[edit]

The visual novel has one main theme song, the ending theme "Hoshi Meguri no Uta" (星めぐりの歌 Song of Circling Stars?) sung by Mell of I've Sound, an arrangement of the folk song by Kenji Miyazawa. The Planetarian Original Soundtrack was released on August 11, 2006 at Comiket 70 by Key Sounds Label bearing the catalog number KSLA-0025; it was later re-released on December 28, 2006.[49] The soundtrack contains one disc with twelve tracks composed and produced by Magome Togoshi, and Shinji Orito; themes originally composed by Charles Crozat Converse and Miyazawa were remixed on the soundtrack. All of the tracks were arranged by Togoshi, except "Human Warrior" which was arranged by Orito. "Hoshi no Sekai (Opening)" (星の世界 World of Stars (Opening)?) and "Itsukushimi Fukaki" (慈しみ深き Deep Affection?) are rearrangements of the hymn "What a Friend We Have in Jesus" by Converse, and their titles reflect this as well: "Hoshi no Sekai" refers to the Japanese version of the hymn named "Hoshinoyo",[50] and "Itsukushimi Fukaki" is the Japanese translation of the hymn's original title.[51] A single performed by Sayaka Sasaki and Ceui was released on July 27, 2016 for the ONA series titled "Twinkle Starlight / Worlds Pain".[52]

Reception and sales[edit]

In a review by Marcus Estrada of Hardcore Gamer, he praised Planetarian for having a "beautiful story," gorgeous CGs and a soundtrack that "sets a melancholic, but hopeful mood fitting with the story." He also noted that "even as an aging property Planetarian still looks and sounds good."[53] Planetarian is one of several kinetic novels featured in the Lycèe Trading Card Game; Yumemi and the planetarium are playable cards in the second VisualArt's card set.[54] In the February 2007 issue of SoftBank Creative's Gemaga magazine, the PS2 version ranked first for console games in terms of satisfaction;[10] the game had ranked fourth in the previous issue.[55] In the Japanese video game magazine Famitsu released on September 8, 2006, it was reported that the PS2 version of Planetarian sold 8,170 units the week of August 21 to August 27, 2006 (the PS2 version was originally sold on August 24, 2006).[56] When the PSP version was re-released as a fundraising event for the 2011 Tōhoku earthquake and tsunami, 16,663 units were pre-ordered by the day of its release on May 12, 2011. From these sales, Prototype and VisualArt's donated 22,415,069 yen.[57]

See also[edit]

Notes[edit]

  1. ^ The stated time assumes that the default auto play speed is used, which allots 0.07 seconds per character with a minimum time of 0.3 seconds. This reflects about the average time it takes the text to be read aloud at a normal pace. Quick readers can easily go through the entire novel in less than half of this stated time.
  2. ^ Jena is a manufacturing city in Germany, specializing in precision machinery, pharmaceuticals, optics and photographic equipment, and is home to the famous Zeiss optics plant. In 1926, the world's first modern planetarium was built by the Zeiss company in the Damenviertel district of the town.
  1. ^ All English titles are taken from Funimation.

References[edit]

  1. ^ a b c d e f "planetarian Key Official HomePage" (in Japanese). Key. Retrieved May 1, 2007. 
  2. ^ a b c d e f g h i j k Key. Planetarian: The Reverie of a Little Planet (in Japanese). Windows. VisualArt's. 
  3. ^ a b c "planetarian:ストーリー Key Official HomePage" [Planetarian: Story Key Official HomePage] (in Japanese). Key. Retrieved November 30, 2007. 
  4. ^ Suzumoto, Yūichi (May 25, 2006). 完売お詫び&例のアレ再び配布&プラネタリウムと鰻と地ビール(突発性浜松アレ観光ガイド) [Sold Out Apology & The Usual Distribution & Planetarium and Eel and Local Beer (Hamamatsu Sightseeing Guide Occurrence)] (in Japanese). Yūichi Suzumoto. Retrieved July 8, 2009. 
  5. ^ a b "Summer 2016 Broadcast Dub English Cast Announcements". Funimation. July 15, 2016. Retrieved July 31, 2016. 
  6. ^ "planetarian:キャラクター紹介 Key Official HomePage" [Planetarian: Character Introduction Key Official HomePage] (in Japanese). Key. Retrieved November 30, 2007. 
  7. ^ "樋上いたる 関わったゲーム一覧 -ErogameScape-エロゲー批評空間-" [Itaru Hinoue Games Done at a Glance - ErogameScape - Eroge Commentary Room] (in Japanese). ErogameScape. Archived from the original on July 22, 2011. Retrieved October 21, 2014. 
  8. ^ a b c planetarian ~ちいさなほしのゆめ~ [Planetarian: The Reverie of a Little Planet] (in Japanese). KineticNovel. Retrieved June 14, 2007. 
  9. ^ a b "製品情報 - Planetarian" [Product Information - Planetarian] (in Japanese). Key. Archived from the original on January 4, 2007. Retrieved February 10, 2012. 
  10. ^ a b c d "planetarian ~ちいさなほしのゆめ~" [Planetarian: The Reverie of a Little Planet] (in Japanese). Prototype. Retrieved March 17, 2007. 
  11. ^ Key. Planetarian: The Reverie of a Little Planet (in Japanese). PlayStation 2. Prototype. 
  12. ^ "planetarian ~ちいさなほしのゆめ~ パッケージ版 初回版" [Planetarian: The Reverie of a Little Planet Package edition (limited edition)] (in Japanese). VisualArt's. Retrieved December 3, 2014. 
  13. ^ "planetarian ~ちいさなほしのゆめ~ パッケージ版 通常版" [Planetarian: The Reverie of a Little Planet Package edition (regular edition)] (in Japanese). VisualArt's. Retrieved December 3, 2014. 
  14. ^ "Key 10th Memorial BOX" (in Japanese). Key. Retrieved April 6, 2009. 
  15. ^ "Keyの過去五作品がメモリアルエディションで発売です!" [Key's Previous Five Titles Get Memorial Editions!] (in Japanese). Key. April 7, 2010. Retrieved April 8, 2010. 
  16. ^ "planetarian HDエディション" (in Japanese). Key. Retrieved June 21, 2016. 
  17. ^ "Planetarian Steam Launch Set for September". Hardcore Gamer. August 18, 2014. Retrieved September 11, 2014. 
  18. ^ "Sekai Project Licenses Le Fruit de la Grisaia, Planetarian Visual Novels". Anime News Network. July 3, 2014. Retrieved July 3, 2014. 
  19. ^ "Steam Community :: Group Announcements :: planetarian ~the reverie of a little planet~". Sekai Project. Valve Corporation. September 17, 2014. Retrieved October 29, 2014. 
  20. ^ "「AIR」「CLANNAD」のクリエイターチームKey最新作!" [New Work from Key, the Creative Team of Air and Clannad!] (in Japanese). Sega. Retrieved May 25, 2013. 
  21. ^ "ボット少女のSFノベル『planetarian』FOMAで配信" (in Japanese). Gpara. November 24, 2006. Archived from the original on March 3, 2016. Retrieved June 21, 2016. 
  22. ^ ""Key"10周年記念イベントを開催" [Key 10-Year Anniversary Event Exhibition] (in Japanese). Famitsu. January 27, 2009. Retrieved January 28, 2009. 
  23. ^ "planetarian ~ちいさなほしのゆめ~" [Planetarian: The Reverie of a Little Planet] (in Japanese). Prototype. Retrieved February 20, 2009. 
  24. ^ "Planetarian ~ちいさなほしのゆめ~" [Planetarian: The Reverie of a Little Planet] (in Japanese). PlayStation Store. Retrieved February 10, 2012. 
  25. ^ プロトタイプ ファン感謝デー2010 [Prototype Fan Appreciation Day 2010] (in Japanese). Prototype. Retrieved May 28, 2010. 
  26. ^ プロトタイプ・ファン感謝デー2010でクドリャフカ伝説再び!? [At Prototype's Fan Appreciation Day 2010, There Will Be Another Kudryavka Legend!?] (in Japanese). ASCII Media Works. May 12, 2010. Retrieved May 30, 2010. 
  27. ^ "プロトタイプ、PSP『planetarian』のチャリティー版発売! 全収益を義援金に" [Prototype to Sell Charity Version of PSP Planetarian! All Proceeds Go Towards Donations] (in Japanese). Mainichi Communications Journal. March 27, 2011. Retrieved March 27, 2011. 
  28. ^ "Planetarian ~ちいさなほしのゆめ~ Android版" [Planetarian: The Reverie of a Little Planet Android edition] (in Japanese). VisualArt's. Retrieved November 30, 2014. 
  29. ^ "Planetarian~ちいさなほしのゆめ~" [Planetarian: The Reverie of a Little Planet] (in Japanese). Android Market. Retrieved February 10, 2012. 
  30. ^ "planetarian ~ちいさなほしのゆめ~ iPhone/iPad版" [Planetarian: The Reverie of a Little Planet iPhone/iPad edition] (in Japanese). VisualArt's. Retrieved November 30, 2014. 
  31. ^ "【iOS版】『planetarian~ちいさなほしのゆめ~』がバージョンアップ!" [(iOS edition) Planetarian: The Reverie of a Little Planet Gets a Version Upgrade!] (in Japanese). Key. January 8, 2013. Retrieved January 8, 2013. 
  32. ^ "planetarian - Dream of Little Star -". iTunes. Retrieved January 8, 2013. 
  33. ^ "Key's Planetarian Visual Novel Translated Into English on iOS". Anime News Network. January 9, 2013. Retrieved January 10, 2013. 
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  39. ^ Untranslated quote: Hoshizora, kotoba, kami-sama, robotto. Yottsu no shudai ni yoru shōhinshū. (星空・言葉・神様・ロボット 四つの主題による小品集?)
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  44. ^ "planetarian ドラマCD 第二章 "エルサレム"" [Planetariran Drama CD 2 "Jerusalem"] (in Japanese). Key Sounds Label. Retrieved October 20, 2015. 
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