.hack//G.U. is a video game series that serves as a sequel to the original .hack franchise. Set in a fictional MMORPG called The World, players control Haseo, a character seeking revenge against a mysterious player known as Tri-Edge. The game combines action RPG elements with a rich narrative, exploring themes of identity and the impact of virtual worlds on reality. The series consists of three main titles: Rebirth, Reminisce, and Redemption. Each installment features unique gameplay mechanics, character development, and an evolving storyline. Players engage in battles, complete quests, and interact with various characters, including Shino and Ovan, as they uncover the mysteries surrounding The World and its players.