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The Science Adventure Series (科学アドベンチャーシリーズ, Kagaku Adobenchā Shirīzu, called SciADV for short) is a collection of stories that span among different forms of media, sharing a single universe.

The series was originally a collaboration between Japanese video game manufacturer Mages (formerly 5pb.) and Japanese visual novel developer Nitroplus, and is the brainchild of Chiyomaru Shikura, the founder and executive director of Mages/5pb.

After releasing Robotics;Notes but before releasing ChäoS;Child, 5pb. renamed itself to Mages, calling itself 5pb. in the first 3 games and Mages in everything after that.

Nitroplus was only involved in the first 2 main games of the series, ChäoS;HEAd and Steins;Gate, and starting with Robotics;Notes, development was done by Mages/5pb. without Nitroplus.

ChäoS;HEAd and ChäoS;Child also include the Japanese video game company RED FLAGSHIP in the collaboration, too, but RED FLAGSHIP has no involvement in the parts of the series that do not start with “ChäoS;”.

Later titles in the series, namely Occultic;Nine, Robotics;Notes DaSH, and Anonymous;Code, also include the company Chiyomaru Studio to do concept work and manage intellectual property rights, with Chiyomaru Studio led by the same person as Mages/5pb., Chiyomaru Shikura, but existing as a separate legal entity.

English localizations of the Science Adventure Series were originally handled by the company JAST, which did the original Steins;Gate English release and specializes in localizing visual novels (mostly eroge) as Windows downloads, but then Spike Chunsoft took over localization for all later releases, since they were already releasing other games successfully in English on both Steam and game consoles. Both Spike Chunsoft and JAST localizations of Steins;Gate are still available, but later games are only officially localized by Spike Chunsoft.

The original Windows PC version of ChäoS;HEAd is not technically part of the Science Adventure Series, as it is a “Delusional Science Novel”, but rather its enhanced remake ChäoS;HEAd NoAH, a “Delusional Science Adventure”, is technically the first entry in the Science Adventure Series. However, for practical purposes and in terms of the interconnected lore of the series, ChäoS;HEAd is still part of the Science Adventure Series, even if technically it is not.

Chiyomaru Shikura’s vision of the Science Adventure Series is “99% science, 1% fantasy”. Currently, the Science Adventure Series includes a large number of visual novels, several other related video games, several anime series, a few anime movies, many drama CDs, a few light novels, many manga, many music CDs, a planned live-action TV series, and even a stage play. The visual novels are considered the core of the series.

Plot

Each of the stories comprising the Science Adventure Series covers an individual set of characters in a different setting (ChäoS;HEAd NoAH and Steins;Gate both occur in Tokyo, but in different parts of the city and at different times, while Robotics;Notes is set on the island of Tanegashima), tackling a different metaphysical concept for each story (the power of the mind and nature of reality for ChäoS;HEAd NoAH, time travel and parallel universes for Steins;Gate, and robotics and augmented reality for Robotics;Notes).

These stories occur in the same world and are all connected with each other, with each entry in the series having many references to the others, and some of the characters from different series having personal connections to each other. A secretive organization called the Committee of 300 is pulling the strings behind the antagonists in every single story of the Science Adventure Series, and every story in the series is about a group of young people banding together to thwart an evil plan carried out by people connected to the Committee of 300.

Core Series

The first 3 visual novel games of the core series, from when the main company making them was called 5pb., are the most important. The first entry in the Science Adventure Series’s core series is ChäoS;HEAd NoAH (the enhanced remake of ChäoS;HEAd), and the ChäoS;HEAd / ChäoS;HEAd NoAH part of the franchise is the subject of this wiki, about delusions and the nature of reality. The second visual novel in the core series is the most famous, Steins;Gate (or its enhanced remake Steins;Gate Elite), about time travel and world lines. The third game is Robotics;Notes (or its enhanced remake Robotics;Notes Elite), about robotics and augmented reality.

After this, things get more complicated, and 5pb. changed its name to Mages. The fourth game, ChäoS;Child, is a thematic sequel to ChäoS;HEAd NoAH, likewise about delusions and the nature of reality. Then the fifth game, Steins;Gate 0 (or its enhanced remake Steins;Gate 0 Elite), is a “midquel” to Steins;Gate, taking place DURING its True Ending, after one part of the ending but before another part, and is similarly about time travel and world lines.

The sixth game, Occultic;Nine, which is about the occult, was originally supposed to be part of a different related series called the “Science Visual Novel Series” (サイエンスビジュアルノベルシリ, Saiensu Bijuaru Noberu Shirīzu), but then was made part of the official Science Adventure Series instead when its visual novel came out (which happened after the Occultic;Nine light novel and anime came out). Elements were added to the Occultic;Nine visual novel that were not in its light novel or anime to tie it into other entries in the series and make it canonically part of the same universe, albeit happening on a different “world layer”, a different concept than the “world lines” of Steins;Gate. However, the Occultic;Nine visual novel is currently incomplete compared to the light novel, and an update will come out in the future to finish the Occultic;Nine visual novel.

The seventh game, Robotics;Notes DaSH, is a direct sequel to Robotics;Notes and also ties together the ChäoS; Steins; and Robotics; parts of the series. The eighth game is Anonymous;Code, which was also originally supposed to be part of the Science Visual Novel Series like Occultic;Nine, but, just like Occultic;Nine, Anonymous;Code is now part of the official Science Adventure Series instead, and it is meant to be a thrilling conclusion to the Science Adventure Series. Anonymous;Code explores all the different “world layers”, from the one the ChäoS; Steins; and Robotics; parts of the series happen on to the one that Occultic;Nine happens on to many new ones.

The ninth game, Steins;???, will be a thematic sequel to Steins;Gate and Steins;Gate 0, having the same relationship to them that ChäoS;Child has to ChäoS;HEAd NoAH.

Anime

Out of these 9 core visual novel games, 6 have been adapted into anime series: ChäoS;HEAd, Steins;Gate, Robotics;Notes, ChäoS;Child, Steins;Gate 0, and Occultic;Nine.

Robotics;Notes DaSH, Anonymous;Code, and Steins;??? are likely to eventually be adapted into anime too, given that pattern, although no official announcements have been made. There are also Steins;Gate and ChäoS;Child anime movies that take place as sequels to their respective anime series (Steins;Gate: The Movie - Load Region of Déjà vu and ChäoS;Child: Silent Sky).

Unusually, Occultic;Nine’s anime came out before its visual novel, because Occultic;Nine was originally a light novel (i.e., a literal book rather than a video game), then made into an anime, and its visual novel came out last. With the other entries besides Occultic;Nine, their visual novels came out first, prior to their anime.

At the time the Occultic;Nine anime came out, it had not yet been incorporated into the Science Adventure Series, but the character Shun Moritsuka says the catchphrase of Rintaro Okabe, “El Psy Kongroo”, in Episode 7 of the Occultic;Nine anime, the only real connection that anime has to the rest of the series. This was because at the time that anime came out in 2016, Occultic;Nine was still part of the Science Visual Novel Series, and the Science Adventure Series titles existed as fiction in the Science Visual Novel Series, but all of this got changed by the Occultic;Nine visual novel in late 2017, which retconned everything together into the same Science Adventure Series.

Therefore, the Occultic;Nine light novel and anime are not technically part of the Science Adventure Series, even though the Occultic;Nine visual novel is. Additionally, the ChäoS;HEAd anime is not technically part of the Science Adventure Series either, since it was based on the ChäoS;HEAd visual novel rather than the ChäoS;HEAd NoAH visual novel, which came out after the ChäoS;HEAd anime, and the ChäoS;HEAd NoAH visual novel is technically the first entry in the Science Adventure Series.

The English distribution rights for almost all of the Science Adventure Series anime belong to FUNimation.

List of Media

Please note that the following list of Science Adventure Series media is incomplete, as it only includes games, TV shows, and movies, and not other media like drama CDs, light novels, manga, music CDs, stage plays, etc., since if all of that were included, this list would be ridiculously long.

Links

Here is a comprehensive set of links for the Science Adventure Series:

Wikis:

Websites:

Steam:

Twitter:

Facebook:

YouTube:

See also the Science Adventure Series article on the Steins;Gate wiki and the Science Adventure article on Wikipedia for more information on the Science Adventure Series.

Community content is available under CC-BY-SA unless otherwise noted.