get 50 knife kills
iDanceWithKnives
The hyena...You have to get 50 kills with a RPG.
u have to knife somebody who has std as their title.
the only way you can drop a weapon is if you pick up another weapon to replace it.
1000 kills with it ,tactical knife doesn't count.
As the knife isn't listed as either a weapon or equipment in the challenges, there is no way of telling.
get 50 knife kills
I think you have to get 1000 kills with a silenced weapon :)
10 kills with a silenced weapon after you prestige
tactical knife on a pistol. You can get it by getting I think 50 kills with that certain pistol.
Prestige and get 25 kills with a silenced weapon. Hope this helps :)
Yes, I believe they do.
10 kills with a silenced weapon must be 1st prestige
You don't unlock "Tactical Knife" at a certain level. You have to get a number of kills with the .44 Magnum to unlock the attatchment.
you have to prestige, you get new challenges and then you get 500 or 250 knife kills
Unlock all the weapon attachments for the ACR. Or, if you are prestiged, get at least 500 kills or 250 headshots with the ACR.