Scatter Bomb
If you are by an area infested with North Koreans, and they are giving you a hard time, just use this hint. Set 1 to 8 C4's on a cliff near the infested area. Make sure that the C4's aren't right on top of eachother or they will stick. Set them next to each other.
Look at the infested area and stand behind the C4's, aim and kick. Now you'll have to be quick. Get your remote out fast. And when the C4's land on the ground, blow them up! You'll have to be quick because if the North Koreans see the C4's, they are going to split! Hope this helps.
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