recommend some action/adventure psp games NOT RPG\'S

i've played not many but i've updated my system so i can't download :(.
i've got so far:rainbow six vegas. good game, very good online
splinter cell essentials. best game played, but i'm stuck at a mission.
ghost recon 2: bad game
brothers in arms d-day: hate it i can't even point up XD
locoroco: love it, it isn't action/adventure but i just love it.I want to buy assassins creed bloodlines and maybe more. could you recommend me some others, please?
Post Merge: [time]1296229748[/time]
i don't want to play:god of war and metal gear solid.

Socom 3
Resistance Retribution
Kingdom Hearts Birth By Sleep
Final Fantasy Dissidia
Grand Theft Auto Vice City Stories
Dantes Inferno

ty i might give a try at GTA.

Ys Seven
Ys: The Ark of Napishtim
Ys: The Oath in Felghana
Kingdom Hearts Birth By Sleep
Final Fantasy Dissidia

I second Resistance, in fact, it's better than the PS3 versions imo.Also Killzone Liberation is a good one. Medal Of Honor is another one.

LittleBigPlanet
Patapon
Shadow of Destiny
Cave Story (Homebrew)
Tales of the World: Radiant Mythology

Valkyria Chronicles.