Original PSP Memory Stick Pros were expensive and limited in capacity. Portability:

Modern compression techniques (like ZLIB) allow the game to be shrunk without removing textures, audio, or cutscenes. Potential Drawbacks:

The quest for a highly compressed ISO SOCOM: U.S. Navy SEALs: Fireteam Bravo 3

Place the file in your designated "PSP Games" folder.