This is an original story expanded from the STEINS;GATE game, and focusing on the heroine Amane Suzuha. In 2036, a monopoly on time machines has created world peace, but at the cost of human liberty. Suzuha has followed in her late father's footsteps in fighting alongside the Valkyrie rebellion force to change the world. After the group fails on a major mission, Suzuha has almost no hope left. But then she discovers that her father left something for her: a time machine. Using this, maybe Suzuha will have the power to finally destroy this dystopian society and create a better present and future! (Source: MangaHelpers)
What do you get when you cross a microwave with a cell phone? Apparently, a time machine! Self-proclaimed mad scientist Okarin and the Future Gadgets team now have the ability to send text messages into the past. Will this newfound power be used for personal gain? To change the world? Or for something much more sinister... ? (Source: Udon Entertainment)
A manga adaptation of the fandisc STEINS;GATE: Hiyoku Renri no Darling (STEINS;GATE: My Darling's Embrace).
A Steins;Gate Light Novel that takes place in the anime in the perspective of Makise Kurisu This light novel starts at Episode 1 of the anime, and ends at Episode 6, it also includes some spoilers from the source material of Steins;Gate, the visual novel.
A drama CD adaptation of Steins;Gate: Aishin Meizu no Babel, an alternate take on the original Steins;Gate story, told from Makise Kurisu's point of view, being illustrated by Shinichirou Nariie. After meeting Okabe Rintarou and the rest of the Lab Members, Kurisu reflects on her past with her estranged father and seeks to set things right with him, not knowing of the fate that awaits her.
Around a month after the time machine disappearance in Steins;Gate worldline, Okabe is struck with the familiar vertigo, Reading Steiner, and after the vertigo disappears, he gets a D-Mail from 2025 Okabe Rintarou that explains this worldline is in dangerous future which is worse than Dystopia or World War III. His mission is to retrieve an IBN 5100 from a person known as Neidthardt. (Source: Steins;Gate Wiki)
First part of the Epigraph Trilogy, occurring during the winter of 2010 in the Beta Attractor Field around World line divergences 1.129848 and 1.130205%.
The manga adapts the anime film that revolves around Kurisu Makise as she tries to save Okabe Rintarou from his uncontrolled leaps in time. Kurisu must decide if she will save him as his lover, or not bring him back to the main timeline with her morals as a scientist. (Source: Anime News Network)
The second part of the Steins;Gate Epigraph Trilogy, a continuation of Heiji Kyokusen no Epigraph.
The manga, based on 2010 drama CD, tells the story of what Mayuri experiences during the final chapter of the visual novel (anime episode 23) and the lives of Mayuri, Okabe, Daru, Suzuha, and Ruka in the year after Okabe's first failed attempt to save Kurisu in the 1.129848% β world line divergence.
Novelization of Steins;Gate Senkei Kousoku no Phenogram visual novel. (Steins;Gate: Linear Bounded Phenogram).
An alternate ending to *Steins;Gate* that leads with the eccentric mad scientist Okabe, struggling to recover from a failed attempt at rescuing Kurisu. He decides to give up and abandons his lively scientist alter ego, in pursuit to forget the past. When all seems to be normal, he is seemingly pulled back into the past by meeting an acquaintance of Kurisu, who tells him that they have begun testing a device that stores the memory of a human and creates a simulation of them with their characteristics and personalities. Okabe begins testing and finds out that the simulation of Kurisu has brought back anguish and some new unexpected tragedies... *Includes chapter 0.*

