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

Endian Order:	Little Endian
Compression:	None
Encryption:	None

This format is used by the following Games:

Gunlock

*.dat

This is the format specification information:

8 - Header (FILECHNK) 4 - Unknown 4 - Unknown 4 - Number Of Files // for each file X - Filename 1 - null Filename Terminator 4 - File Length 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.