Or, if you need a more detailed filename for emulation or archival purposes:
Here’s a properly formatted product / release title for the game:
Call of Duty - Roads to Victory (USA & EUR) [PSP] [ISO]
For a combined EUR/USA mention (e.g., in a directory or listing):
Call of Duty - Roads to Victory (USA) (En,Fr,De,Es,It).iso Call of Duty - Roads to Victory (Europe) (En,Fr,De,Es,It).iso