Kill an enemy while they are reloading

Kill a zoomed-in enemy sniper with a sniper rifle of your own

Kill an enemy with the last bullet in your magazine (excluding sniper rifles and Zeus x27)

Win a round by picking up the bomb from a fallen comrade and successfully planting it

Kill four enemies within a single round

Kill an enemy who is leading the hostages without injuring the hostages

Survive more than 30 seconds with less than ten health in Arms Race or Demolition mode

Kill an enemy who is dominating you

Kill an enemy whom you are already dominating