I've been searching for quite a while now on a comprehensive guide explaining all the values available to be edited with TDUPE, and sadly there isn't one. So I've decided to try and make one.   All info is based on my personal experience, as I've spent around a hundred hours or so tinkering with TDUPE. If there's something wrong in my descriptions, feel free to correct me.   First off, I believe that everyone, or the majority at least, wants their physics to be as realistic as possible. So