Favorite Games:

A somewhat random list of whichever games happened to come to mind while I was making the lists.

Wii:
Wii Sports

DS:
Dragon Quest: Rocket Slime
Mario Kart DS
Final Fantasy 3
Advance Wars DS

GameCube:
Star Wars: Rogue Squadron
Super Smash Brothers Melee
Super Monkey Ball
Star Wars Lego 1&2
Mario Kart Double Dash
Bomberman Generation

PS2:
Final Fantasy 10
Katamari
Disgara
SSX
Romance of the Three Kingdoms 7

PSX:
Final Fantasy 7
Final Fantasy 9
Final Fantasy tactics
Brigandine
Xenogears

PC:
Dune 2
X-Wing
Stronghold
Master of Magic
Master of Orion
Master of Orion 2
_NOT_ Master of Orion 3 (had to be said)
Star Control
Star Control 2
Battlefield 1942 (Not very good at it, but of all the FPSs people play at work, this is the one I like best)
Civilization
Civilization 2 Gold
Civilization 3
Civilization 4
Strange Adventures in Infinite Space

Gameboy (all varieties):
Advance Wars
Advance Wars 2
Final Fantasy: Tactics Advance
Tetris

N64:
Super Smash Brothers
Mario 64
Pokemon Puzzle League (aka Tetris Attack aka Panel de Pon)

BBS Door games:
The Pit
Tradewars 2002
SRE
BRE
Legend of the Red Dragon
Planets
Risk

SNES:
Final Fantasy 4 (2 US)
Final Fantasy 5
Final Fantasy 6 (3 US)
Chrono Trigger
Gemfire
Tetris Attack (aka Panel de Pon)

NES:
Final Fantasy
Nobunaga's Ambition
Romace of the Three Kingdoms
And last but not least

Boardgames and Cardgames:
Bang!
Aquire
Puerto Rico
Settlers
Monopoly
Risk