This is the specifications for the archive file which is handled by the Game Extractor plugin Archive_PACK_NBGPACK.

Endian Order:Little Endian
Compression:None
Encryption:None


This format is used by the following Games:
Incredible Dracula: Chasing Love *.pack


This is the format specification information:
 
// ARCHIVE HEADER
  8 - Header ("NBGPACK" + (byte)10)
  4 - Version? (1)
  4 - File Details Directory Length
  
// FILE DETAILS
  // for each file
    256 - Filename (null terminated, filled with nulls)
    4 - File Length
    4 - File Offset
    
// XML FILE
  4 - File Length
  X - XML File of the Package Contents?
    
// FILE DATA
  // for each file
    X - File Data


These are the accompanying notes and further information:
 
It looks like this archive contains an XML version of the archive contents stored as well as the directory - something like that


Game Extractor is able to read files of this type, as well as files from thousands of other games. To give it a try, download Game Extractor (Basic Version) for free, and see what it can do.

For further information on this format, refer to the source code on our GitHub repository.