Half-life 1 and 2

Counter strike source

TF2

L4D..

Valve the greatest?

legend of the dragoon.

Zelda: OoT

hihi >_> Dungeon Keeper suddenly pops to mind >_>

God Hand and virtually everything else by Clover
Hearts of Iron 2, Europa Universalis 3, and virutally everything else by Paradox

Also Touhou Project and Dwarf Fortress, but more due to the awesome shit surrounding them than playing the games themselves. ^^

I probabyly get swift kick in the ass, but...

FFVII

Final Fantasy VIII, IX and X

Uncharted: Drakes Fortune

Ratchet & Clank: Tools of Destruction

etc etc

Uncharted, Call of Duty 4, LittleBigPlanet (it just makes me smile) and GTA games

My Lovefilm subscription, rent as many games as I want for £15 a month, I am going to save a bundle in Feb and March. :D

Oh games, GT series. Every single one of them.

Final Fantasy X, VI, VII.

Basically all games in my "favorite games" section.