The
Steins;Gate 0 (シュタインズ・ゲート ゼロ
Shutainzu Gēto Zero?) anime is an adaptation of an upcoming spin-off
visual novel by the same name that is being marketed as a "true sequel" visual novel, as opposed to being a
fan disc.
...The
visual novel is slated for release on December 10th, 2015.
[1][2] And, on March 28th, 2015, Chiyomaru Shikura, executive director of Mages. Inc., held a TwitCast, in which he announced that the visual novel's anime adaptation has already been greenlit.
[3] Currently no broadcast date has been announced.