yes
they dont have a firefight demo for halo reach soz
offline firefight coop surpports online 16 players, system link 16, and 4player split screen.
You can't only in Halo Reach Firefight.
No
Yes, Halo 3: ODST will feature offline cooperative Firefight mode.
it depends on your firefight settings, and your skill.
no
In the wave options when customizing a firefight game.
yes but you can play matchmakeing firefight on your own
They only work in firefight. Also, they happen automatically in firefight
Bungie has already beaten you to it. It is under Firefight Classic
yes you can. on everything i guess.