The original visual novel game 'Steins;Gate' was released by 5pb. and Nitroplus, introducing the story that would later be adapted into various formats including an anime series.
The anime adaptation of Steins;Gate premiered in Japan, bringing the story to a wider audience and increasing the franchise's popularity internationally.
The theatrical movie continuation of the Steins;Gate anime story was released, expanding on the original narrative.
The sequel to the original Steins;Gate anime series was officially announced, based on the original visual novel's alternate timeline story.
The Steins;Gate 0 anime series premiered, continuing the story and exploring new plotlines derived from the visual novel's alternate scenarios.
Rintarou Okabe discovers the basic principle of the time machine while experimenting with the Phone Microwave.
Okabe sends a text message (D-Mail) back in time, changing the past for the first time and confirming the feasibility of time travel.
Okabe meets Kurisu Makise, a genius neuroscientist, who becomes an essential member of the Future Gadget Lab and helps improve time travel technology.
The Future Gadget Lab develops a functional time machine capable of sending memories back to the past, known as the 'Reading Steiner' ability discovery.
Kurisu is kidnapped by the mysterious organization SERN, leading Okabe and his allies to rescue her and uncover more about SERN's sinister plans.
Okabe learns that SERN has been conducting time travel experiments that lead to a totalitarian dystopia, raising the stakes of their fight to change fate.
Okabe uses the time machine to jump between multiple world lines attempting to save Kurisu and prevent future catastrophes.
In the Alpha world line, Okabe ensures Kurisu's survival and prevents SERN's plan, attempting to return everything to normal.
After numerous hardships, Okabe resolves to protect the present without further time travel interference.
