There probably isn't a kill display because your playing a hardcore game. When you kill someone you will only see a hitmarker. Notice how you don't have a targeter when your hip-firing?
It is a joke you get it when you get "payback" on someone you kill.
When you kill someone short of a killstreak. eg: kill me after i get 2 kills in a row. i was stopped in getting a UAV. or kill someone with a buzz cut
A bullet penetration kill is when you kill someone thru a solid object, like a wall.
Mw2 doesn't have kill confirmed.
It is called a 360 nothing else to it.
Yes, You can enable multiplayer mod by simply selecting Multi-player option from the settings menu.
By shooting them in the head.
kill them :/
kill a dracowenprey
Yes
Click click boom! kill someone with C4 whilst your on last stand (for this you need last stand pro)
isniipez_v2 we will take it in turns, but i let you kill me on my other account L4D_II_JoK3r