They are always red, the point is that you must train your eyes to see them at any distance.
No they are not,i have seen hunters standing still 5 meters in front of me,and being completely invisible except when they fire and arrow and i see the tracer
No they are not. Piece of cake to see cloaked enemy for someone who actively played C2
Yes they are.This is another gimmick for the cod kiddies,to run around without getting shot
Crysis 1 has cloak visible when close,not like this which is a free kill by pressing E