Call Of Duty Black Ops : Acheivements and How to`s

ill start with an esy one . to get the 5 kills with 1 grenade.
When you have single shot the guy and woman in this room you will head down a landing and down some stairs to an out side part.If you have this on recruit difficulty its asy but may take a few goes.
Go out side and iy look in the middle there is a circle point with some barrels. wait intill there is a few men in that area , well 5 men plus, slightly cook a grenade and throw it in . if it don`t work get your self killed and try again.