It contains data regarding the "geometry" of a scene. This includes where enemies spawn, where items are located, and how the camera follows Leon through various rooms.
This is the narrow, pressurized corridor right before the fight with the Verdugo (the clawed, insectoid stalker enemy) in Chapter 3-2. This room is famous for its: layout bin resident evil 4 161
: Modern mods, including the RE4 HD Project, often use the Fluffy Mod Manager to handle the replacement of these internal .bin files safely. Layout Bin Resident Evil 4 161 _verified_ It contains data regarding the "geometry" of a scene