What games have you spent the most time on this gen?

here's mine

Single Player 

-BioShock

-God of War 3

-Gears of War 1 (hated part 2)

-Uncharted 1 and 2 (2 was much better but I liked Drakes Fortune aswell)

-Metal Geat Solid 4

-Saints Row 2 (fun)

Multiplayer

-Modern Warfare 2

-Uncharted 2

-Street Fighter IV

-Black Ops (got really old, really fast. Hate it now)

-Killzone 2 (will never play it again)

Mario Kart Wii is probably my most played game this gen (maybe any gen) :D

Ninja gaiden sigma 2. I have over 600 hours and i still play it

Cod4 - 300 hours

Resistance 2 -100 hours

More than 50h (in order):-

- Pokemon Diamond (DS)
- Halo 3 (X360)
- The Elder Scrolls IV: Oblivion (X360)
- Final Fantasy XIII (PS3)
- Lost Odyssey (X360)

30h-49h (in order):-

- Mass Effect 2 (X360)
- Super Mario Galaxy 2 (Wii)
- Call of Duty 4: Modern Warfare (X360)

Edit: added Pokemon

Single Player:

1. Fifa

2. God of War III

3. Mario Galaxy

4. Demon's Souls

5. Metal Gear Solid 4

Multiplayer:

1. Fifa

2. Resistance 2

3. Gears of War 2

300 hours on Pokemon Diamond

206 hours on SSBBrawl

188 hours on MKWii

154 hours on MH3

124 hours on Tatsunoko vs Capcom

Over 100 for both Blazblue CT and SFIV.

Probably over 100 for LBP too

Over 300 hours Modern Warfare 2

Over 100 hours  Yugioh 5Ds World Championship 2010
Over 100  hours The Last Remnant

Over 50 Hours
Football Manager 2010
FFXIII
Mass Effect
Mass Effect 2
Battlefield Bad Company 2
Dragon Age Origins
Black Ops
Star Ocean 4
Rock Band 2
Rock Band 3
Fifa 10/11
Civilization V

1. WipEout HD (over 140 hours - no more playing)

2. Demon's Souls (over 100 hours - playing just to help friends)

3. Street Fighter IV (over 90 hours - no more playing  )

4. Uncharted 2 (over 70 hours - playing multiplayer sometimes)

5. Gran Turismo 5 (over 60 hours - still playing every week)

1) killzone 2. think i was clinically addicted to its online. put in over 500 hours i think 

2) oblivion. lots and lots of hours

3) mgs4 and mgo. kinda addicted to the online

4) cod4. good online

.....i hardly play games anymore. beat the addiction like a boss! 

In no particular order the games I spent the most time with are'

Halo 3

Halo Wars

Halo Reach

Gears of War 1

Gears of War 2

Mass Effect 1

Mass Effect 2

Fallout 3

Call of Duty Modern Warfare 2

Elder Scroll: Oblivion

and probably a few others but those are the ones I've really dropped some time into