Japanese: ガンガンパワード（がんがん ぱわーど）

Cost: 540 yen
Release Date: Bi-monthly; 22nd
Circulation: 2001/03 - ?

Publisher: Square Enix

Links:

Official Site

Gangan Powered Gangan site

Info:

Launched in 2001/03 as a special issue of Monthly Shounen Gangan, back then it was a seasonal magazine published twice every year. In 2006/06 it was changed into a bi-monthly magazine.