Depending on whether you want to view, extract, or inject files, here are the most common tools:
: Choose an output folder to "dump" or extract the internal files so you can view or modify them. Repack (Optional) : If you are modding, tools like CriPackedFileMaker download cpk file explorer link
: This is the official tool from the CRI Middleware SDK. It is widely used for modding games like PES (Pro Evolution Soccer) to pack and unpack assets. Depending on whether you want to view, extract,