คำอธิบาย
.hack is a Japanese multimedia franchise that includes the projects Project .hack and .hack Conglomerate. It features an alternative history setting in the rise of the new millennium, following a major global computer network disaster in 2005. The series focuses on the fictional massively multiplayer online role-playing game The World and comprises anime, video games, manga, novels, and other related media. Project .hack, launched in 2002, includes the anime series .hack//Sign and the PlayStation 2 game .hack//Infection. .hack Conglomerate, the current project, includes the PlayStation 2 games .hack//G.U., the anime series .hack//Roots, and other media. The franchise has gained international popularity and some characters have appeared in Nintendo 3DS games Project X Zone and Project X Zone 2.