There are no cheats for consoles.
Please be more specific next time. If you mean halo 3 mission, the coolest would be the last one, Halo, because everyone is blowing up. If you mean "Is halo 3 the coolest Halo game?" no, Halo Reach is.
it is the coolest game ever, well behind call of duty 4 and 5
nowhere because there are no cheat codes for halo 3
There isn't a known cheat code for this on Halo 3.
NO
there is no codes in halo 3 ... -.-
yes
NO
I'm sorry, whoever told you that there was a Halo 3 cheat has lied.(Yes there are glitches, but absolutely nocheats)
Depends on your definition of cool. It is an opinion.
There are no cheats for halo 3 there are only mods and hacks
No