The Group publishes SQUARE ENIX brand game-related books, including strategy guides and novelizations, periodical comic magazines and anthologies of the series appearing in those magazines, as well as operating a web magazine featuring comics, digital comic distribution, illustrations and light novels. Animations and live action drama for TV and film as well as stage plays based on the aforementioned original content support the Group's comic book business. The Group also produces games based upon such content.

The Group's game-related guides, such as the ULTIMANIA series and Official Complete Guide (strategy book), attract a number of customers with an unrivaled level of quality and abundance of information which only SQUARE ENIX can offer. The Group publishes five periodical comic magazines: SHONEN GANGAN, G FANTASY, GANGAN JOKER, YOUNG GANGAN, BIG GANGAN and web-magazine GANGAN ONLINE, in addition to 350+ comic books in the fiscal year ended March 2012.
Hit titles such as FULLMETAL ALCHEMIST (57+ million shipped) and DRAGON QUEST RETSUDEN ROTO NO MONSHO (15+ million shipped) have been spawned from the Group's comic magazines and attract a number of customers through cross-media deployment such as anime, movies, live action TV dramas and games.