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

Endian Order:Little Endian
Compression:None
Encryption:None


This format is used by the following Games:
Madagascar: Escape 2 Africa *.arc *.bld


This is the format specification information:
 
// ARCHIVE HEADER
  4 - Header ("IGA" + (byte)26)
  4 - Version (2)
  4 - Directory Length (not including null padding)
  4 - Number Of Files
  4 - Unknown
  4 - Unknown (13)
  4 - Filename Directory Offset
  4 - Filename Directory Length
  16 - null

// DIRECTORY
  // for each file
    4 - Hash?

  // for each file
    4 - File Offset
    4 - File Length (not including null padding)
    4 - Padding (-1)

  X - null Padding to a multiple of 2048 bytes

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

// FILENAME DIRECTORY
  // for each file
    4 - Filename Offset (relative to the start of the filename directory)

  // for each file
    X - Filename (starting with c:/)


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.