Robotics;Notes DaSH

In summer 2020 six months after the Tanegashima Robotics Club saved the world from Kō Kimijima's Project Atum, Itaru "Daru" Hashida travels to Tanegashima for undisclosed reasons, arriving at the same time as Kaito, who is taking a break from his studies to become an astronaut. Daru is greeted by Nae, who introduces him to Kaito and the rest of the Robotics Club. Akiho, Subaru, Frau, and Junna have volunteered to help run the local Tanegashima Gun Festival, while Airi continues to live as Kaito's adopted sister. However, at the commencement of the festival, Kimijima reappears using artificial delusion technology, challenging the Robotics Club to find all of the Geotags he has scattered around the island before he initiates his plan to take over the world. With the rest of the Robotics Club having their hands full managing the festival, Kaito and Daru are recruited to search for the Geotags and thwart Kimijima's plot.

However, the Robotics Club begin to notice that this current Kimijima seems less malicious than the one they previously dealt with, as he only seems to use his artificial delusions to commit harmless pranks which seem to only make the festival more popular. Once the festival is halfway done, Daru observes the effects of Kimijima's delusions to figure out that Daru's own delusions were unintentionally influencing Kimijima's actions. Kimijima then becomes hostile and attempts to sabotage the festival, but is thwarted when Daru uses his own powerful delusions to "hack" Kimijima's artificial delusion technology, buying enough time for the Robotics Club to track down and shut down the equipment, seemingly getting rid of Kimijima for good.

Robotics;Notes DaSH was developed by Mages, and was written by Toru Yasumoto and Chiyomaru Shikura and produced by Tatsuya Matsubara. The characters were designed by Tomonori Fukuda, the mechanical designs were handled by Makoto Ishiwata from Polygon Bangcho and Yukihiro Matsuo, and the music was composed by Takeshi Abo. The game's opening theme, "Avant Story", was written by Shikura and performed by Zwei; one of the ending themes, "Konna Boku Demo" (こんな僕でも), was performed by Kanako Itō, and the other, "Trust", was performed by Yumi Matsuzawa. The game also features the songs "Tu Ru Tu Ru Dance" by Enako, and "Anubis", which was written by Shikura and performed by Konomi Suzuki.

The game was announced at the Chiyo-ST Live 2017 Genesis event in Tokyo in May 2017, and a trailer was shown at Tokyo Game Show 2017. The game was published by 5pb. in Japan for PlayStation 4 and Nintendo Switch on January 31, 2019, following two delays from early 2018 and November 22, 2018.

During its debut week in Japan, Media Create's and Famitsu's weekly sales charts respectively reported 3,943 (19th rank) and 4,360 (17th rank) physical copies sold for PlayStation 4; the Nintendo Switch version sold 2,834 physical copies and ranked 24th according to Famitsu, but did not appear on Media Create's top 20 chart. Famitsu also reported a sell-through rate of about 60% for both versions. Neither Famitsu nor Media Create revealed sales numbers for the DaSH and Elite HD bundles for PlayStation 4 and Nintendo Switch, although Media Create listed both as ranking higher than the Nintendo Switch stand-alone version of DaSH.

Famitsu's writers enjoyed the game, saying that they liked the comedic writing, the characters' growth, and the focus on each robotics club member, as well as the depiction of Tanegashiman culture. The graphics and visuals were also well received, with praise given to the 3D characters' animations and the background artwork. They considered the game appealing to fans of Steins;Gate and of the Science Adventure series in general, due to things like Daru's heavy involvement in the story.