It was formed on April 6, 2005,[1] after Chiyomaru Shikura left Scitron to begin the company as its executive director, a position he formerly held until January 2023.

[3] Staff members include scenario writer Naotaka Hayashi, artist Yukihiro Matsuo, and producer Tatsuya Matsuhara.

In April 2011, a group of companies consisting of Arkray, Seed Project, Dwango Creative School, Animelo Summer Life, 5pb.

[4] In July 2019, Mages was acquired by Shikura's concept studio Chiyomaru Studio, with the goal of being more flexible and fast in its decisions as a company independent from their parent company Dwango and from the Kadokawa group.

[5] In March 2020, Colopl acquired Mages from Chiyomaru Studio for ¥1.612 billion (approximately US$14.92 million).

Games' developers arrived from KID, Tonkin House and Scitron, such as with Takeshi Abo in December 2006.

[24] The company, which was originally named Chrome Edge (クロウムエッジ, Kuroumu Ejji), was founded separately from Mages for the purpose of managing the copyrights to the media projects Shikura works on, including the Science Adventure, and for creating stories for use in various media.

[23] In July 2019, Chiyomaru Studio made a management buyout of Mages, acquiring all shares held by its former parent company Dwango;[5] the following year, Chiyomaru Studio sold all Mages shares to Colopl.