Hello everyone,
I made a little mod to change 29, 30, 31 and 32 prompt with original dpad prompt from Playstation version. This mod is not perfect but I was able to finish the game

First you need xdelta, here is a link were you can get it with a gui (easier to use)
https://www.romhacking.net/utilities/598/

I made 2 patches, the first one change only dpad prompts and keeps ABXY prompt,
the second changes ABXY prompt for Playstation prompt, it's not perfect though, at high resolution it looks pixelated, the transparency is not handle correctly sometime (in bug catch) and Cross button is bigger because the same sized one makes the game unplayable (litterally, the game crash after loading you save) I tried a lot of thing to fix these little issues but nothing works

Only dpad: (remove space)
mega. nz/file/tc1WQIxB#lDmWC9U6nIjZdj0v7lNvAH9LKaRxsnKImZcg5s8Qs7I

PS Prompt: (remove space)
mega. nz/file/5J8WlaAB#TkhNK9ixQJiGw7tsvA1_AADlcCvscs4cMrVDhv1_6EI

Now we need to patch the correct file

- Open the Game file folder and go to the disc folder ([...]/Steam/steamapps/common/Titus/disc)

- rename the file rom3 to rom3_original (or anything), don't make a backup copy, actually rom3_original is you backup and will not be modified (you can still make your own backup if you want for whatever reason, but it's not necessary)

- open xdeltaUI
- in Patch: choose the patch you just downloaded
- in Source : choose rom3_original (or your backup)
- in Output File : go to the disc folder (if you just renamed the file like I said you should be in the good folder) and set rom3.cpk then save

you should have something like this :

- click patch, depending on your disk speed it can take up to a minute, I have an SSD and it take something like 2 seconds.

YAY !! You're ready and can play the game now

If you want I can tell you how a did it

first I searched for a way to extract/explore cpk files
used multiple tool but they were not really good actually that's when i found Kuriimu2 (it's actually this software that has done everything I just explored extract and replaced lol)

with kuriimu2 you can open a lot of files type, explore files, extract and replace, etc...

in rom3 there are a lot of icons and buttons (there are the playstation prompt !!!), but the one used are in 4k folder (for higher resolutions textures I think) and in the icon folder the button prompt are in text folder (not button)

I will not get into full details you might need to search for yourself using kuriimu2 to fully understand but feel free to make a better patch if you can, I know my patch is a quick and dirty fix so go on if you think you can do a better job than me !!

anyway thanks to fantranslators for their amazing tools