This compression is used in other PS2 Dynasty Warriors games. I'm hoping that plain text might be easier to analyze, so here's a sample thereof from Dynasty Warriors 5: Xtreme Legends. The corresponding uncompressed text is attached to the post. Compressed data file (1.4 MB) dw5xl_text_dump.txt.zip ...

I'm attempting to rip the images from Dynasty Warriors Mahjong, a.k.a. Jan Sangoku Musou. The relevant data file mostly consists of compressed chunks beginning with the tag LZP2. The command-line file utility of OS X identifies these chunks as MS-DOS executables. My search for the file type led me t...