Oooh. I have never thought of it like that... Well from the top of my head here goes..

1) Elder Scrolls 4: Oblivion
2) Resident Evil 4
3) Parasite Eve 2
4) Final Fantasy VIII
5) Drakengard 1/2
6) Silent Hill 3
7) Silent Hill 4
8) Shadow of the Colossus
9) Kingdom Hearts
10) Final Fantasy X (Sorry to those who think this is number 1 in their list)

-Dale/Anime-