91Act

91Act is a global mobile and PC game developer and operator. Founded in Chengdu, China, in 2014 and now operating as 91Act Co., Ltd. from Japan, the studio is best known for its work within the BlazBlue franchise, including BlazBlue Revolution Reburning, and for titles such as Dengeki Bunko: Crossing Void.

In 2024 it released BlazBlue Entropy Effect, a fast-paced 2D action roguelike developed and published by 91Act and licensed by Arc System Works. The game builds on the BlazBlue universe with combo-driven combat, roguelike progression, and deep replayability, and a console edition, Entropy Effect X, is planned to arrive in 2026. With its licensed fighting-game pedigree and original projects, 91Act continues to serve fans of anime action games across mobile and PC.