you need infrared on your scope. easiest way for a heart shot is to find the target, zoom in to front shoulder area, click infrared and quickly target and shoot the heart. eventually you can upgrade the time on the infrared. 3-5 seconds is all you need for a heart shot. good luck.
btw, i never have "bought" an assault rifle in the game when they said it was recommended. i had 2 rifles and 1 shotgun all the way through. on the rampage/stampede hunts where it said "recommended assault rifle", i just used my regular rifles. didn't get in any hurry and used the regular rifles and the timer to my…
I didn't have to do that! I marched right in to region 6, upgraded my rifle a little bit, made brilliant well executed shots and used the timers to my advantage. I completed region 1-6 with 3 guns and didn't "buy" a lot of the upgrades. I just can't seem to find out if there is any more regions. I guess for now there are…