
Quick answer — MAGES. worked on Steins;Gate (Original Creator), Steins;Gate 0 (Original Creator), Steins;Gate The Movie – Load Region of Déjà Vu (Original Creator) and 6 more anime.
MAGES. worked on Steins;Gate (Original Creator), Steins;Gate 0 (Original Creator), Steins;Gate The Movie – Load Region of Déjà Vu (Original Creator), Steins;Gate: Egoistic Poriomania (Original Creator), Steins;Gate: Soumei Eichi no Cognitive Computing (Original Creator), Robotics;Notes (Original Creator), Meiji Tokyo Renka (Original Creator), YU-NO: A Girl Who Chants Love at the Bound of This World (Original Creator) and 1 more.