The difference between the surface world and the inner world of Silent Hill's broken memories could be considered from the following aspects: The difference between reality and dreams: The difference between reality and dreams in the surface world and the inner world is very obvious. In the surface world, people lived in a real and cruel reality, while dreams were the fantasies and imaginations in their hearts. In the inner world, there was no clear boundary between reality and dreams. Reality and dreams could be real or fake. 2. Different environments: In the Surface World, Silent Hill is a desolate and dangerous town full of strange rumors and mysterious events. In the inner world, Silent Hill was a mysterious maze filled with all kinds of strange creatures and mysterious facilities. 3. Different characters: In the Surface World, the residents of Silent Hill are ordinary people. They have their own stories and experiences, as well as their own beliefs and values. In the inner world, the residents of Silent Hill are mysterious creatures. They don't have human emotions and consciousness, nor can they think and act like humans. 4. Different Plot: The storyline of Silent Hill in the Surface World is composed of conflicts and interactions between humans and mysterious creatures. In the inner world, Silent Hill's storyline was filled with suspense and mystery, consisting of various mysterious facilities and mazes. The surface world and the inner world of the broken memories of Silent Hill were two independent story worlds. They had different boundaries between reality and dreams, and there were also significant differences in the environment, characters, and plots.