No...
You can only get the Halo games for the Xbox360.
definitely halo 3.
Halo 3 is currently exclusive to xbox360. It is unlikely that Halo 3 will ever be released for PC.
Halo 3
halo 3
No The Halo Series Is Only On Xbox or Xbox360 but itd be cool on the wii
It's just on Xbox 360.
yes he can he also has a xbox360
Finish campaign on Normal
there are pretty nice pictures including some swiit headshots on this site. http://www.gamesradar.com/xbox360/halo-3/screenshots/g-2005000000000000000350 and here are some for halo 3 recon http://www.gamesradar.com/xbox360/halo-3-recon/screenshots/g-20081009113151703059 and some for halo wars http://www.gamesradar.com/xbox360/halo-wars/screenshots/g-20060927122334140029
just go to http://www.gamefaqs.com/xbox360/926632-halo-3/cheats it also tells you the unlocks!
For info on Halo 3 armors, go to the following link: http://www.gamefaqs.com/console/xbox360/code/926632.html