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

Endian Order:Little Endian
Compression:None
Encryption:None


This format is used by the following Games:
Spec Ops 2 *.zrs


This is the format specification information:
 
4 - Unknown (25)
4 - Archive Number? (0/1)
4 - Number Of Files [-1]
4 - Unknown (all 255)
4 - Unknown (22)

// for each file
  4 - Unknown
  4 - File Length [+16 on every file EXCEPT the first file]
  X - File Data


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.