Dot.Hack G.U. Cheats
Unlock Vol.2 Preview Without Beating The Game
On the desktop, hold R1+R2 and press square, triangle, square, triangle. Release the R's, then while holding L1+L2, push right, up, right, up. Release and press R3+L3. Done fast enough will make the Vol.2 Preview become viewable in the media performer.
At the title screen, select the Convert menu. Selecting save data from .hack//Infection, Mutation or Outbreak will give you an email from BlackRose that was sent to Kite after Quarantine. Selecting .hack//Quarantine save data will give you the previous email, and an email from Hokuto(.hack//AI Buster) sent to Rena(.hack//Legend of the Twilight Bracelet). However, in the Japanese release the Hokuto/Rena email is gained from .hack//Fragment save data.