命运石之门 线形拘束的树状图
Jekyll on the scan line
2013 PS3/Xbox 360 Arc: Okabe dons the Alpaca Man costume made by Mayuri, using D-mail and time jump to handle street incidents. Kurisu visits in mourning clothes, forcing him to face Mayuri's unwilling death.
A rendezvous of ghostly disorders
2013 PS3/Xbox 360 Arc: Rain causes the time machine to malfunction, Suzuha encounters herself in both military and maid outfits. Hashida assists with repairs, and before resuming her trip, she gains time to spend with her father; The way the two Suzu Feathers exist remains a mystery in the story.
Hermaphroditus, a labyrinthine of intricacies
2013 PS3/Xbox 360 Arc: After Mayuri's death, Ruka, who is female, learns that her past was altered by D-mail, and decides to request a time jump, at least showing her the cosplay Mayuri ideally watches.
The eternal and unchanging Polaris
2013 PS3/Xbox 360 Arc: Mayuri learns that Kurisu will die saving her, sends D-mail to change her childhood, and leads Okabe into an unfamiliar world. Okabe still remembered her and eventually found her again.
Coma excitation Quantum
2013 PS3/Xbox 360 Arc: Meng Yu follows FB's orders to infiltrate the research institute, receiving orders to sabotage, sow discord, participate in attacks, and kill comrades; The warmth between Kurisu and Mayuri made her hesitate.
Cha Noir of Pink Fantasy
2013 PS3/Xbox 360 Chapter: Phyllis wears an outfit made by Mayuri and Suzuha disguises themselves as Sha Noir to investigate Akihabara Ghost Stories, discovering it is a self-created project by the shopping street promotion organization. Without consultation, Suzuha is about to leave, leaving her feeling down.
Steins;Gate: A tree-like pattern of linear constraints
《STEINS; GATE Linear Constraint Phenomena is a 2013 side story collection of Steins;Gate released by MAGES. The official website features ten storylines from a personal perspective, and the original PS3/Xbox 360 version also has an unlocked Tao chapter titled "Biv Lost: Moon Halo." The standalone chapters depict the choices and dilemmas faced by the institute's members and their surrounding characters across different timelines.
RADIO STEINS; GATE+ Linear Restraint Phenogram Soundtrack (FVCG-1247)
A DVD/CD combo released on July 3, 2013, featuring 24 tracks of linear restraint soundtrack and a DVD featuring radio programs.
Linear Constraint Phenogram Soundtrack +6 (FPBD-0340)
A 30-track high-resolution digital soundtrack released on September 30, 2015, in 24bit/96kHz format, with the last six tracks featuring Darling BGM 001 to 006.