The game does not display characters correctly on the DVD version (classic version). To fix this you need to change font settings and install the font packages.

1. Go into fontsetting.ini in swd3dvd folder and change Effect=1 to Effect=0 on all entries. The default font is PMingLiu but you can change this to your preference, see my screenshots for differences.
2. To use the original mingliu font, copy mingliu.ttc from your PC to the deck font folder.
3. In launcher settings, add LANG=zh_TW.UTF-8 %command%

I uploaded a copy of this walkthrough to the Steam community guide section if you want screenshots.

This will run fine in desktop mode, to run it in Gaming (Gamescope) mode, you need to turn on virtual window using winecfg.