because it takes like half a clip to kill someone on resistance, should i adjust my sensitivity to aim better?

do you seriously still play resistance.

So what if he does? I started playing it again recently cause CoD4 sucks now.

Anyway, yeah I recommend increasing your sensitivity to the highest (9). It will still take you the same amount of bullets, but you can be faster if you see enemies.

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I have my sensitivity on 2, more accurate and more headshots so they die quicker.