Must have PSP games.

I was just wondering what you guys might deem as must have psp games.I'm hoping to have my psp upgraded to CFW soon and able to play ISOs, so until then I was looking to download as many psp games as possible, but I need to know what games shouldn't be missed.

It really depends on your tastes. Many of my 'must have' games no one else buys xD
For me...Star Ocean 2nd Evolution. There are others, but I am too tired to think of them right now

Awesome, I'll try it out. I'm a lover of all game types really. So just throw out any title that you enjoyed.

Here is my recomandation.Taiko no Tatsujin Portable 1 & 2
Metal Gear Solid Portable Ops (if you like the series)
Metal Gear Acid 1 & 2
Silent Hill Origin (if you like the series)
Patapon
Monster Hunter Freedom 2
God Of War

I'm not much of a PSP fan, but I can say:Disgaea: Afternoon of Darkness
Tales of the World: Radiant Mythology 1 & 2
Tales of Eternia
Tales of Phantasia
Tales of Rebirth
Tales of Destiny 2
Secret Agent Clank
Ratchet & Clank: Size Matters

FF7: Crisis Core

!!...Killzone Liberation...!!
!!...God of War...!!
Ratchet and Clank
Daxter (I hate bugggs :D )
Burnout Dominator
PoP(both of them are cool)Resistance: Retrubition
CoD: RtW

NBA Live, PES, Virtua Tennis 3... I like sports games...
Loco Roco, Pursuit Force series, NFS Undercover

Here is my list:Bleach: Soul Carnival
Crisis Core: Final Fantasy VII
Dissidia: Final Fantasy
Final Fantasy Tactics: The War of the Lions (I liked the DS and GBA ones better)
Gundam Seed: Rengou vs. Z.A.F.T. Portable
Jeanne d'Arc
Kidou Senshi Gundam: Gundam vs. Gundam
Monster Hunter Freedom 2
Naruto: Ultimate Ninja Heroes 2: The Phantom Fortress
Patapon
Patapon 2
Phantasy Star Portable
Power Stone Collection
Prinny: Can I Really Be the Hero?
Star Ocean: First Departure
Star Ocean: Second Evolution
Tales of The World: Radiant Mythology
Valkyrie Profile: Lenneth

my list:
DJ max series
Phantasy Star Portable
Star Ocean Games
Sony Bend games (all of them on PSP)
prinny
monster hunter portable 2nd g
patapon games
lastly, any ps1 game that I can port over to it via popstation

resistence retribution
crisis core
dissidia
patapon
metal gear series
god of war
call of duty
medal of honor
x-men origins woverine
gba emulator for psp
n64 emulator for psp

you got to have kill zone and fight night!!! and what ever medostix said... adn oh crimson gem chronicles is pretty good too.

Tekken and burnout
maybe soul calibur when i come out

Star Wars Renegade Squadron has AMAZING online (minus some weird glitches)
Test Drive Unlimited is a great game for longevity.
Tekken
Both Burnouts are very good.I'm hoping Sony announce some actual good titles for the PSP at E3. I just keep myself amused with CTR and other PS1 titles. Oh how I miss playing my PS1 to play on my PS2 which I miss playing so I could play on my PS3. Ah well, my PS3 should amuse me with it's PS1 game buying potential (Sim City 2000 for £6.29 when everything else is under £4!)

Final Fantasy Tactics is decent

New Must have game for the PSP: Crimson Gem Saga USA release, avoid the Asian release of the same title at all costs.

God of War (AWESOME)
Crisis Core: Final Fantasy VII (A definite must have if you are a fan of the franchise)
Final Fantasy Tactics ( The #2 FF, ever imo brought to the psp with better graphics cut scenes and new jobs) (Although if you suck at these kinds of games then stay away cause thats the #1 reason people don't like it, they cant beat it, I had no problems as leveling up solves this problem just like EVERY other final fantasy)

Jeanne D' Arc = best Fantasy TBS.

...don't forget ridge racer 2 XD(forget one-2 has it all-and more)\...and if your man enough, metal slug anthology, 7 games in one! (first to 6th, has X to make 7)

I found a Cool game Called Mana Khemia in english it is such a good classic school life Rpg most
people would call it a harry potter knock off but i seem to be having more fun with it than dear old harry the game is in perfect Anime style the cut scenes are full anime and general gameplay is in detailed chibi's and Voice acting is vey good for the PSP i think that the voice acting is only better on Phantasy Star portable
Check it:http://psp.ign.com/objects/142/14242610.html