"Never stay in the same place.  Move in, take your shot, then get out of there.  Scoot and shoot.  Stand around and you are dead." - TEM

"Never trust teammates in online mode that you have just met let them show their stuff before giving them tough jobs" - Jake

"when playing away from your team...stay low, to many times i see newbies get picked off, stay prone in foliage until u can stalk the person. then when the time is right knife kill them or take them out fast. When running into the open always find cover if you are playing experts u will die quickly." - natis

"Don't waste your time with smoke grenades in online play. from my experiments it only works in a few places.  Leave smoke grenades for the experts." - matt

"Use Grenades if you know your enemy is going to come out of an area where you have seen them frequently in times." - Sheep

"Don't take the same path to often. Change up your route to keep them guessing." - Tokyyo Pig

"When you plant a bomb through smoke grenades around the bomb site so your enemy has a difficult time defusing them bomb." - =DA=Tolerance

"don't stay in groups you die to easly stay in 1 or 2 groups i see newbs I kill all of them so easy because they in groups." - platinum_dragon