Relive the first few hours of the PS4 classic, rebuilt with PS1 aesthetics! · By LWMedia
Just curious to know.
probably taken from the original and made it more low quality and less shapeful
They're not taken from the original game.
A lot of the game's assets were made from scratch with the original in mind to keep it true. The game was also made from the ground-up, the only things that are from the game itself, are the audio files, and certain textures (i.e, gravestones, etc.)