Favorite games: it's FUN time folks. :D

[Cally]

Here's some of mine, all (some of my perfect tens):  

And I have NEVER owned a gaming PC.  

Mega Man 2
Metal Gear Solid
Metroid Prime
Super Mario Bros.
Final Fantasy VII
Super Metroid
Final Fantasy VI
Half-Life
Panzer Dragoon Saga
God of War
Legend of Zelda: Link's Awakening
Ico
Chrono Trigger
Resident Evil 2
Castlevania: Symphony of the Night
Halo 2 (multi)

I'm a huge fan of a game with a great story, which most of these have.

[wolflet7]

Wow...where to begin...

(All on PS2/PS3)
Sly 2
Sly 3
Mercenaries: Playground of Destruction
Project Snowblind
Medal of Honor Frontline
Medal of Honor European Assault
Okami
Shadow of the Colossus
Uncharted: Drake's Fortune
Battlefield: Bad Company (multi only)
Ghost Recon: Advanced Warfighter 2
Resistance: Fall of Man
Resistance 2

I may have missed a few, but that's all I can think of off the top of my head.  I don't mind playing all of those games through countless times (with the exception of Bf:BC, which the multi doesn't get boring for me).

[johntwayne]

Empire
X-COM
World of Warcraft
EVE Online
Harpoon
Any of the Civilization Series
Everquest Online
Red Storm Rising
Silent Hunter-Wolves of the Pacific

[Will i am]

Rybka3: computer chess program, Elo rating: 3000
Any kind of chess program that's worth a decent challenge.
Call of Duty 4 (multi)
Call of Duty 5 (multi) with voice OFF!
Halo
Halo 2 (multi)
Halo 3 (multi)
Rainbow six: vegas2 (multi)
World of Warcraft = Free server!

What I like in order.

[Cally]

Oh wow, Will i am. Maybe I should try and find you online sometime! (I haven't played online in ages and I'm not on Xbox Live atm).

[Jethro Tull]

Age Of Empires 2
Mario Kart 64
Super Smash Bros 64
Fallout 3
GTA 4

[GrayJedi_Lightshade]

Final Fantasy will never get old.
Zelda and Mario games rock.
Racing games are alright.
  Jak X Combat Racing is FUN, though.
Fighting games are alright.
  Soul Calibur II with Link is my favorite.

My absolute FAVs:
Final Fantasy VIII and FFX
Ace Combat Series. ALL of them. I'll kill anyone in here at those games. lol.
Zone of the Enders: 2nd Runner.
MGS games.
Shin Megami Tensei: Nocturne
DOOM games
Command and Conquer games on the PC
Most any Star Wars game
N64 games rule