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If you specifically want to use a PSP, titles like The Warriors or Sega Genesis Collection (Golden Axe) offer similar beat-'em-up action.
To be clear and helpful:
Many sites offering "Castle Crashers PSP ISOs" are typically providing malware, fan-made mods of other games, or emulated versions of the original Flash game that do not function correctly on actual PSP hardware. i castle crashers psp iso exclusive
If you specifically want to use a PSP, titles like The Warriors or Sega Genesis Collection (Golden Axe) offer similar beat-'em-up action.
To be clear and helpful:
Many sites offering "Castle Crashers PSP ISOs" are typically providing malware, fan-made mods of other games, or emulated versions of the original Flash game that do not function correctly on actual PSP hardware.