Take your time in advancing.
welll just go for mad head shots....
this game is grate
i'll go with the 'mad headshots'
theres a glich where the enemies turn agains each
1.make them shoot each other
Press mouse button hold it and then press
1,2,3,4,5,6.Like this you can use all the guns in
a time and the enemy will get hurt very badly.:D
it wont let u do cheats