This tool allows you to extract and repack the .dat files used in War in the East 2 and War in the West, making it possible to view and edit .dat files. The extracted files are unserialized binary data. You will need a Hex Editor (like HxD) to make sense of the structures and edit strings.
tool in action(in-game results with modified texts):
Download the latest version here:
https://github.com/33arc/WiTXtool/releases