After the Original Game Ending, there is a special extra ending. This Extra Ending is a special scene that can only be unlocked from certain items in your inventory. The items required for viewing the special extra ending is the G-Reports. There are three G-Reports in all of Dirge Of Cerberus. These Report Locations can be found during the game, usually in unexpected places. (G-Report Locations can be found in the G-Report Corresponding Section).