Whats the best PS2 game?

It's a question for anyone and it's simple, what's the best ps2 game?

You can't nail it down to one game because there are so many good ones.

God Of War 1 & 2, GT 3 & 4 and the list goes on and on because there are still a few good ones out there.

if i had to pick one, since i just played it, definatley Just Causemacey12

Best Games Exsclusively for the PS2...

Metal Gear Solid 3

Final Fantasy XII

God of War 2

Devil May Cry

Dragon Quest VIII

Zone of the Enders 2