Chronology

Project .hack (Season 1) Date Title Game Version 2007 .hack//Epitaph of Twilight frägment 2009 .hack//AI Buster .hack//AI Buster 2 .hack//Sign The World:R1 2010 .hack//ZERO Games Tetralogy Vol.1~Vol.4 .hack//Liminality .hack//Another Birth .hack//XXXX New Novelization 「.hack」 Vol.1~Vol.4 The World:R1 2014 .hack//Legend of the Twilight (manga) .hack//Legend of the Twilight Bracelet (anime) The World:R1

.hack Conglomerate (Season 2) Date Title Game Version 2015 The World:R2 2016 .hack//Roots .hack//Cell .hack//Alcor 2017 .hack//G.U. Vol.1~Vol.3 .hack//G.U. Trilogy .hack//G.U. novels .hack//G.U.+ .hack//GnU .hack//G.U. Begins .hack//G.U. vol.1//Rebirth .hack//G.U. vol.2//Reminisce .hack//G.U. vol.3//Redemption .hack//G.U. Last Recode

Project Third (Season 3) Date Title Game Version 2020 .hack//Link .hack//Link manga The World R:X 2022 .hack//Quantum OVA .hack//Quantum Novel .hack//Quantum+ .hack//Quantum i(Introduction) 2023 .hack//Bullet unknown (不明) 2024 .hack//Beyond The World Beyond The World: SORA The World FORCE:ERA 2025 .hack//Versus .hack//Versus: Thanatos Report VERSUS: The World 2030 Guilty Dragon (Smart Phone Game) The World: Armed Conflict 2032 New World (Smart Phone Game) The World: Re-vice age

Other Titles 

.hack//frägment Online✕Offline
.hack//MOBILE