Upon closer inspection (or rather, a thorough imagination), I can almost envision "blus30528" as a:
The "BLUS" prefix follows Sony’s internal regional coding system: indicates a retail Blu-ray disc, and US signifies the North American region. Other regional versions of the same game use different IDs, such as BCES-01070 for Europe and BLJS-10091 for Japan. Emulation and Community blus30528
The Art of the Useful Essay: Clarity, Purpose, and Action Upon closer inspection (or rather, a thorough imagination),
Challenges in loading specific .self files for each sub-game within the compilation. Upon closer inspection (or rather