Every PlayStation 4 game is assigned a "CUSA" (Communication Unit Serial Arises) ID. These five-digit numbers following the "CUSA" prefix serve several technical purposes:
The setting, Haven Springs, acts as a dichotomic character. On the surface, it presents the aesthetic of the idyllic American small town—reminiscent of Twin Peaks or a Norman Rockwell painting. However, the deep text subverts this trope. The town is built on a foundation of concealed grief and corporate negligence (the mining disaster caused by Typhon). cusa18581
Certain IDs are tied to specific regions (like Japan for CUSA18581), which determines if save data or DLC is compatible between accounts. Every PlayStation 4 game is assigned a "CUSA"