what game you playing ?
 

whats the game that has you on the computer / game system 24/7 ?

for me right now it would have to be GTA SA
has to be the best gta game i have ever played :)

I play third-party addons of Wolfenstein 3-D under plain DOS on an Athlon XP 3200+ every Christmas - that's my Christmas present to myself. :D

PS2 - Gran Turismo 4
PC - Team Fortress

Edit: Just read the first post again. The games I picked are not the best games on their respective systems, just what I am playing currently. Suck a lemon if you thought otherwise ;)

Battlefield 2 is still installed and played often so thats one.

Operation Flashpoint, never really uninstalled it since I bought it all those years ago.. :p

Kameo Elements of Power is going stron on my X360 atm too. Along with GRAW for 360.

Other games that keeps coming back all the time is Fallout 1&2, Baldurs Gate series and Half-Life series.

F.e.a.r and Swat 4

I am almost finshed with Diner Dash

Mostly Battlefield 2.
But also Titan Quest (already finished).

At LAN with my friend CS:S (all in one team against expert bots) :D

well i am still well in to GTA SA ... but i have found my self playing sims 2 nightlife the last few days ..lol

Americas Army rulez forever,and Guild Wars

Outrun 2k6, VisualBoyAdvance (Driv3r, GTA Advance, ^^), old DOS games
(SamnMax, Indie, Monkey Island and all that crap, ugly but great fun),
ToCa 3

Quite a few actually.
 

PC:

Warcraft 3: Reign Of Chaos.
Sacred Gold (Sacred + Underworld)
Sims 2 (Uni, Nightlife & Open For Business)

PS2:

V8 Supercars 2
G1 Jockey 3
Red Dead Revolver
Smackdown VS RAW 2006
Leisuresuit Larry: Magna Cum Laude
NRL Rugby League 2
NBL 06
Tiger Woods 05

That's it for now, I think.:D