How long does it take to beat this game?

[Gilgamesh]

darkshadow23 said:

MGS4 - 20 hrs.
Uncharted 2 - 9 hrs.
Uncharted - 7 hrs.
CoD 4 - 7 hrs.
MW2 - 5 hrs.
KillZone2 - 13 hrs.
LittleBigPlanet - 6 - 10 hrs.
Resistance 2 - 8 hrs.
Resistance: FoM - 7 hrs.

Please read the OP, only post the same game if the time is off by quite a bit to yours, out of all those games you posted the times were pretty well exactly the same as I got in the list except for Killzone 2.