This is the specifications for the archive file which is handled by the Game Extractor plugin Archive_000_8.

Endian Order:Little Endian
Compression:unknown
Encryption:None


This format is used by the following Games:
Batman Vengeance *.000 *.fat


This is the format specification information:
 
// FAT FILE...
  1 - Unknown (1)

  // for each file
    4 - Offset of This Field
    if (entry is a directory){
      4 - Unknown (1)
      4 - null
      4 - Directory Header (cali)
      8 - Unknown
      4 - Directory Name Length (including null)
      X - Directory Name
      1 - null Directory Name Terminator
      4 - null
      }
    else if (entry is a file){
      4 - File Offset
      4 - Decompressed Length
      4 - Compressed Length
      8 - Unknown
      4 - Filename Length (including null)
      X - Filename
      1 - null Filename Terminator
      2 - Unknown (256)
      2 - Unknown (0/47)
      }

// 000 FILE...
  // for each file
    4 - Decompressed Length
    4 - Compressed Length
    5 - Unknown
    X - File Data


These are the accompanying notes and further information:
 
*.000 contains the file data, *.fat contains the directory


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.