tips if u want 2 make it through all the days
first gun,USP,next get the magnum,then famas,get extended mags,use famas until you can get desert eagle,get the other two bottom half powerups, ASAP get overkill. next level u will have like 10000+ EXP.! I got 11000. use only desert eagle until you absolutely need the pancor jackhammer. I haven't needed it yet. level 11 AM 2nd day....im thinking,"smash the button when you need it,not all the time"
all other tips not posted