The other solution is fine if you want an out of order collectible guide. But if you want an easier to follow one and don't need a video here you go:
https://www.neoseeker.com/remothered-tormented-fathers/walkt...For the sewer section/maze be sure to recollect if you die unless you have seen an autosave in the bottom right corner. This is the rare time in the game where there actually is an autosave. It is advisable to write down each one as you collect them, so you can press
and check that you still have the collectible
not mine no creds