Beat the game once and make a clear save. This will give you access to the Extra's menu in the main title screen. Once a clear game flag is created, any subsequent replays of the game will accumulate any unique talk matters, monster information, I.P.D etc.. that was missed on your first run.
The following information is unlocked once the game is cleared:
Database - Database that was accessible during the game, which has all the monsters, character profiles, I.P.D. listing, Help Files etc.
Reyvatail Information - Gives information of each Reyvatail and gives details on the following cleared information:
- Number of Song Magic unlocked
- Cosmosphere clear LVL
- Number ofCostumes unlocked
- Talk Matter/Cosmosphere percentage completion
- Talk Matter event viewer for each of the Reyvatails (shows percentage completion)
- Heroine Matter event viewer for each paired Reyvatails (shows percentage completion)
- Cosmosphere Viewer lets you replay cleared comosphere of each Reyvatail
- Infel Sphere Viewer lets you replay cleared Infel Sphere for each Reyvatail
- Picture Gallery
- In game Music
- Hymnose Scores