In general:
: Indicates that the file contains "The Old Hunters" expansion, which adds new areas, bosses, weapons, and lore to the base game. Bloodborne.DLC-CUSA00900.rar
: DLC files are region-locked; this CUSA-00900 file will only function if your base game disc or digital installation also has the CUSA-00900 ID. In general: Subject: Analysis Report on Bloodborne
The file is a compressed archive containing Downloadable Content (DLC) for the PlayStation 4 game Bloodborne The recent rise in Bloodborne emulation via shadPS4
: These archives usually contain .pkg (package) files.
The recent rise in Bloodborne emulation via shadPS4 requires specific handling of DLC files: How to Play Bloodborne on PC (2026) - ShadPS4 Full Setup
In the world of PlayStation 4 gaming and digital archiving, specific strings of characters like serve as digital fingerprints. When paired with the expansion to FromSoftware’s gothic masterpiece, Bloodborne , it represents "The Old Hunters"—a DLC often cited as one of the greatest pieces of additional content ever released. What is CUSA00900?