Cruise For A Corpse in the Delphine collection has codewheel protection, but, as already stated, the codewheel is provided as scanned pictures in different positions. These pictures are half the size of a normal codewheel.
Flashback in the Delphine collection has no protection.
Another World has no protection ( contrary to the password protection screen
Future Wars has protection. You're provided with many pictures and you must identify which square is the correct square, with the colours matching
Operation Stealth has protection. You're given a black and white picture on screen, and 1 small portion of it flashes. You must identify what colour this is using the provided colour picture.
So that's the Delphine collection covered in terms of protections