good psp shooters

what are there?

Socom?

resistance retribution was good

GTA LCS,with the 100% save file installed-you shoot anything and never run out of ammo LOL

NOVA, sorta.
Medal of Honor(never go online, EVER! hackers everywhere...)
Resistance Retribution is great online and off :)

-resistance retribution
-metal gear solid portable ops
-metal gear solid peace walker
-socom fireteam bravo 1,2,3
-syphon filter: dark mirror

rainbow six vegas
splinter cell essentials