Download:
https://archive.org/download/gog.com/game/nightmares_from_the_deep_the_cursed_heart.tar
https://archive.org/download/gog.com/game/nightmares_from_the_deep_2_the_sirens_call.tar
https://archive.org/download/gog.com/game/nightmares_from_the_deep_3_davy_jones.tar

View contents:
https://archive.org/download/gog.com/game/nightmares_from_the_deep_the_cursed_heart.tar/
https://archive.org/download/gog.com/game/nightmares_from_the_deep_2_the_sirens_call.tar/
https://archive.org/download/gog.com/game/nightmares_from_the_deep_3_davy_jones.tar/

I recommend downloading the file first, then opening index.html locally.
Opening index.html from within archive.org produces less than accurate results.

Similar page saves available here:

https://web.archive.org/web/*/gog.com/game/nightmares_from_the_deep_the_cursed_heart
https://web.archive.org/web/*/gog.com/game/nightmares_from_the_deep_2_the_sirens_call
https://web.archive.org/web/*/gog.com/game/nightmares_from_the_deep_3_davy_jones

Okay, but why would one want to view an archived version of the store page?