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

Endian Order:Little Endian
Compression:None
Encryption:None


This format is used by the following Games:
Deus Ex: Invisible War *.ibd


This is the format specification information:
 
// ARCHIVE HEADER
  4 - Unknown
  4 - Padding Multiple (2048)
  4 - Unknown
  4 - Unknown
  4 - Unknown
  4 - Unknown
  4 - Number Of Files
  4 - Unknown
  20 - Hash?

// DIRECTORY
  // for each file (304 bytes per entry)
    4 - File Offset
    4 - File Length
    4 - Padding Length
    4 - Unknown ID
    4 - Unknown ID
    21 - Hash?
    263 - Filename (null terminated)

  X - Unknown
  0-2047 - null Padding to a multiple of 2048 bytes

// FILE DATA
  // for each file
    X - File Data
    0-2047 - null Padding to a multiple of 2048 bytes


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.