I was playing a lot of PS2 until last year when I got a 360 and PS3.

Here are some of my favorite games:

Star Wars Battlefront I and II

Baldur's Gate: Dark Alliance

Hot Shots Golf 3

Buzz Quiz

Jack and Daxter trilogy

Shadow of the Colossus

God of War 1 and 2

Soul Calibur 2 (only if you have friends to play it with)

Kingdom Hearts

Any Guitar Hero or Rock Band games


There are many more great games than what I listed above, but I haven't played them. The Final Fantasy, Metal Gear, Grand Theft Auto, and Gran Turismo games are the best selling games on the PS2 though.

I've heard great things about Metal Gear, but I haven't played one yet.