just go to http://www.gamefaqs.com/xbox360/926632-halo-3/cheats it also tells you the unlocks!
nowhere because there are no cheat codes for halo 3
there is no codes in halo 3 ... -.-
Halo 3 has no cheat codes, but some people have modded maps.
No
yes
sadly there are no cheats
There are no cheats for halo 3 there are only mods and hacks
There are no cheat codes for Halo, only mods.
Cheat codes.
You can't because there isn't an invincibility cheat for halo 3. a matter of the fact, there isn't any cheat codes for halo 3 that i know of. maybe a few
http://www.gamerevolution.com/ http://www.cheatcc.com/ http://www.ign.com/
There are no "cheat codes"