Unlike most HD Collections and HD Remasters of games, Silent Hill HD Collection made a number of changes to the core game, including the following from Silent Hill 2:

• The street and sidewalks textures have been changed to look much cleaner.
• The video tape in one of the game's cutscenes is now bordered by a TV screen rather than showing up full-screen.
• The cutscenes are stretched horizontally to appear as widescreen.
• The distances on the sign at the beginning have been altered.

These changes are most likely made because the team was working with unfinished code and had to recreate much of the game.