Castle Crashers Psp Iso 171 Top ((top)) -

The "171" supposedly referred to a specific build version or a "Top" rated upload on a defunct ISO aggregator. According to the forum threads:

Castle Crashers was never officially released for the PlayStation Portable (PSP) . It originally launched on the and was later ported to PlayStation 3 PlayStation 4 Nintendo Switch If you are looking for an "ISO" for the PSP, be aware that: Official Version castle crashers psp iso 171 top

Avoid any file labeled that is larger than 300MB. The original XBLA game is 150MB. If you see a 1.2GB file, it is either: The "171" supposedly referred to a specific build