Alright, I am planning on buying a used game that is on the ps2 in spring or summertime. I know that's a long time from now. However, I just want to finish God of War I by at least February. I am also trying to finish Final Fantasy X too. I am halfway to the end in FFX. The type of used game I want to get on the PS2 has to be action-adventure.

Any suggestions?

Dude Finish that Final Fantasy X it my favorite game of all time till this day its Irreplaceable then get Mgs2 & 3.

@Bullet100000, I am trying to finsh FFX but I just want to concentrate on school. I really won't be on this website a lot. Also I really won't be playing games that much until spring when I have less homework.

I think I will probably buy the first Ratchet and Clank game.

Jak series.

get suidoken V, i completed it in the summer, it was a very good and long game with loads to do. will keep you busy for quite a while

Here is a list of PS2 games that is worth your admission:

Dark Cloud 2
Final Fantasy X
Final Fantasy XII
God of War
God of War II
Grand Theft Auto III
Grand Theft Auto: Vice City
Grand Theft Auto: San Andreas
Jak and Daxter: The Precursor Legacy
Jak II
Jak 3
Katamari Damacy
Kingdom Hearts
Kingdom Hearts II
Kingdom Hearts RE: Chain of Memories
Metal Gear Solid: The Essential Collection
Okami
Ratchet & Clank
Ratchet & Clank: Going Commando
Ratchet & Clank: Up Your Arsenal
Ratchet: Deadlocked
Rogue Galaxy
Shin Megami Tensei: Persona 3 FES
Shin Megami Tensei: Persona 4
We Love Katamari
Yakuza
Yakuza 2

Add Metal Gear Solid Essential Connection to your list, if you dont have it yet God of War II

Don't bother with the first Ratchet. Go with 3 (Up Your Asenal) first. It's the best of the PS2 trilogy.

Also, Jak and Daxter (all of them)
SotC and ICO
Devil May Cry (1 & 3)
Okami
Kingdom Hearts I & II