If you have any questions or suggestions feel free to say them in commentary.
Here is a link leading to saves that you can download for practice made by Danza.
This link also lead to an autospliter made by Apel. Note that it doesn't work fully with the version (Japanese) I use but it still split for majority of levels:
If you want to play tr3 windowed you can download the link bellow:
to make it work: drop 3 dlls in your installation folder, then take the file in the folder matching your resolution and put it in the installation folder too. If you have any trouble with game acting weird just ask me, i might do a video about that at some point even.
Hope you enjoy!