There is no death mode within Gears of war 3.
No.
Beast mode in gears of war 3 will a separate game mode in the game just like horde was in gears of war 2. In beast mode you will be able to play as the locust monsters such as the ticker and kantus
Gears of war Judgement there is going a mode that you can play as the locust horde like Beast mode but in multiplayer
Yes.
Yes, Gears of War 3 is a massive multilayer online game with a cooperative campaign.
Yes it is.
no
yes, you get to play with all of them in beast mode. Thank you
There is no Gears of War 3
you probably don't need Xbox Live for beast mode, just as you didn't need Live for horde mode on Gears 2
gears of war 3 is the sequel to the hit game gears of war 2 which is supposedly titled gears of war 3 extinction were you play as locust in story mode to kill of the the remaining cogs and humans on Sera this is supposed to come out in 2010 27th of July on xbox and now wii so you can use it without xbox live I don't know if all this entirely true though so don't hate if im wrong because i heard this on www.gamespot.co.UK by some randomer who is no significants to this world
Beast mode is locust's only, no humans can be played in that mode. Horde mode is what you need to go on to play Clayton Carmine.