This identifier refers to the game's code for the PlayStation 4. Different regions may have slightly different identifiers, but CUSA00900 is widely recognized for the base version of Bloodborne.
On your PS4:
Do not use generic "ROM" sites. Use dedicated modding archives: Download Bloodborne v1.09 -DLC Mods- -CUSA00900
If you have a jailbroken PS4 and are installing a modded base game, follow these steps: This identifier refers to the game's code for
Mods can enhance your gameplay experience. For Bloodborne, mods can range from graphical enhancements to entirely new game mechanics. When downloading mods: Download Bloodborne v1.09 -DLC Mods- -CUSA00900
Target Software: Bloodborne (PlayStation 4) Target Version: v1.09 (The Old Hunters Edition) Title ID: CUSA00900 (Standard EU/US Release)