: It includes detailed recreations of iconic spots that were previously only seen in cutscenes or were entirely inaccessible, such as the interiors of the Portland hospital or various mafia-owned businesses. How to Play
The "Extended Interiors Universe" theory argues that all these separate interior cells actually exist within the relative to each other. Gta 3 Extended Interiors Universe
Here’s the interesting breakdown of what that article likely covers: : It includes detailed recreations of iconic spots