Just figured it would be cool to have the main puzzle solutions in a little guide / quick reference for anyone wanting to go a little bit faster.

The Castle Blood Bath Puzzle: https://imgur.com/gallery/byagT1I

Turn the statues on the right as you enter to face each other, then turn the statue at the back right of the room to face the Horse Statue.

The Piano Puzzle: https://imgur.com/fZoAWFX

This is position 1: The input should be as follows: 3 down, 2 Up, 1 Down, Stay (Confirm again), 3 Up, 1 Down, 1 Up, 1 Up, Stay (Confirm again)

Mask Locations when exiting Castle Dimitrescu: (Left to right) Sorrow, Pleasure, Joy, Rage.

Code for Tractor Jack + M1911A: 070408 (Because the dial is so goddamn slow, use this pattern on the dial: Stay || Down 3 || Stay || Up 4 || Stay || Down 2 ||

Doll House Code: 052911, use pattern: Stay || Up/Down 5 || Up 2 || Down 1 || Up 1 || Up 1 ||

Winding Box Puzzle Final Solution: https://imgur.com/a/iJLuFuQ Winding Box Starting Postion: https://imgur.com/a/LpeirXG

Film Puzzle: https://imgur.com/a/5aM4SaK

Gatehouse Puzzle Solution: https://imgur.com/yP70Qwl

I have roated the image 90 degrees for a good reference. The solution should be: Bottom Row - Left and Middle button x 1 click || Middle Row - No Change || Top Row - Left x 2, Middle x 2 ||

Hopefully this proves a good reference for anyone looking to get through these areas a little faster.