What are the "Must Own" games of PS2?

[Jaxel]

Shadow of the Colossus
Beyond Good and Evil
Final Fantasy 12
Soul Calibur 2
Makai Senki Disgaea 2
Virtua Fighter 4 Evolution
Resident Evil 4
Onimusha 1-3 (4 doesn't exist)
Yakuza 1-2

 

[Animefreak6969]

Onimusha 1-3 (4 doesn't exist)

Tatsunoko vs Capcom disagrees with that.

Kya: Dark Lineage
Xenosaga 1 and 3
Persona 3 FES
Digital Devil SAGA 1 and 2
Shin MEgami Tensei Nocturne (only the first release with Dante from DMC in it)
Disgaea
Guilty Gear X2, AC, and/or AC+
Chaos Legion
Devil May Cry 1 (sure why not)
Zone of the Ender 2nd Runner

 

[spongebob]

DMC3
Jak and Dexter
Jak 2
SOTC
GOW 1,2
Sly Cooper games

 

[krazySyko]

FF10
Soul Calibur 2
Probably Metal Gear Solid 2
Zone of the Enders 2nd Runner
Armored Core 3 + 3SL

 

[King_Waste]

I would have to say


Shadow of colossus
God war 1 and 2
Resdient evil essentials (contains Re4 Re code veronica RE outbreak)
SC 3
Fatal Frame 1,2,3
Thats all i can think of lol.