It depends what glitch you want to do... in the subay level online you jump on the little wall next to where the train goes by and stand at the end with a sniper and u will never DIE!
you have to play gears of war death match on xbox live.
if your talking about xbox live just keep on getting xbox live achievements
No, it does not but Halo 3 does
Yes it is.
Yes, you can play cooperatively with a buddy over Xbox live, or on the same Xbox.
yes,but you have to by it
you probably don't need Xbox Live for beast mode, just as you didn't need Live for horde mode on Gears 2
Gears 3 does in fact need xbox live to play multiplayer, but not for experience. Also, you can play multiplayer locally on Gears of War 3 via system link or on 1 console.
I cant play gears of war 2 without gold pass
You do not need Live to play horde.
yes it is the glitch is in the the xboxlive war zone map it will get you 90 gamescore
you cant only on xbox live