Heh, I was gonna start the same kinda topic, then I saw this. Well, currently I have over 50 psp games, since it's my favorite system, and I'lllist em alphabetically.
Archer Maclean's Mercuy
Armored Core formula Front Extreme Battle
Astonisha Story
Breath of Fire III (Euro Import)
Bust-a-move deluxe
Coded arms
Darkstalkers chronicle
Dungeon Maker: Hunting Grounds
Dungeon Siege: Throne of Agony
Dynasty Warriors
Dynasty Warrior Vol. 2
Exit
Final Fantasy 1
Final Fantasy 2
Final Fantasy Tactics: The Lion War (Jap Import)
Generation of Chaos
Gradius Collection
Gunpey
The Legend of Heroes
The Legend of Heroes II
The Legend of Heroes III
Lego Starwars
LocoRoco
Lord of the Rings Tactics
Lumines
Lumines II
Me & My Katamari
Medievil Ressurection
MegaMan X
Mercury Meltdown
Metal Gear Acid
Metal GearAcid 2
Metal Gear Solid Portable Ops
Metal Slug Anthology
Monster Hunter Freedom
Namco Battle Museum
Online Chess Kingdoms
PopoloCrois
Power Stone Collection
PQ
PQ2
Puzzle Quest
Rengoku (avoid this game at all costs)
Sega Genesis Collection
SmartBomb
Spectral souls
StarWars Battlefront II
Tales of the World: Radiant Mythology
300 March to Glory
Tokobot
Ultimate Block Party
Ultimate Ghosts'N Goblins
Untold Legends Brotherhood of the Blade
Valkyrie Profile
Warhammer battle for Atluma
Wipeout Pure
Ys the ark of Napishtim
thats it so far, and I look forward to getting Brave Story and a few others coming out soon.