Project .hack was created by the team of Kazunori Ito, Kouichi Mashimo, and Yoshiyuki Sadamoto. It involves a fictional MMORPG (massively multiplayer online role playing game) called "The World". The project has four components:
- .hack - a PlayStation 2 game series
- .hack//Liminality - an OVA series bundled with the games
- .hack//SIGN - an anime series appearing on TV Tokyo
- .hack//Legend of the Twilight Bracelet (also known as ".hack//dusk") - a manga serialized in the monthly game magazine COMPTIQ, and later also made into an anime series on TV Tokyo
This category is for sites related to any of the .hack anime series.