I gots a few:
Half-Life 2 (and episodes)
Postal 2 (It looks hilarious)
Disgaea series
S.T.A.L.K.E.R (Doubt my PC can handle it, but it can handle Metro 2033 relativley well so...)
Resident Evil 4
Devil May Cry series
Grim Fandango (Had it once, it's gone now. And I am sad for it)
Mass Effect series
Fallout 3 - Broken Steel DLC
Hitman series
Half-Life 2 (and episodes)
Postal 2 (It looks hilarious)
Disgaea series
S.T.A.L.K.E.R (Doubt my PC can handle it, but it can handle Metro 2033 relativley well so...)
Resident Evil 4
Devil May Cry series
Grim Fandango (Had it once, it's gone now. And I am sad for it)
Mass Effect series
Fallout 3 - Broken Steel DLC
Hitman series