"i played the Beta everyone uses the same tactic as they do in MW2" Ah, I see what you mean ... That's unfortunately on MOST multiplayer games ... considering it's how the player plays the game it's next to unstoppable .. Great games always have bad communities

Simply because of the fact as soon as i played the Beta everyone uses the same tactic as they do in MW2 such as; camping with invisibility shotgun and just blowing you away, yeah by that i basically mean people just camp with shotgun awaiting you from a corner just like... MW2, thats mainly the reason why i said they are near enough the same but only multiplayer wise ofc, as when i played Halo 3 i just loved it had fun dieing with a sticky on me face and so on but during reach's beta all i had was cod rage all over again.

How are MW2 and Halo Reach the same? The only things the same are their both FPS, and anything else will just be generic game features. Following your logic surely MW2 is copied off halo 3?