you have to get 50 exp in a Single play-list in matchmaking like lone wolves or team doubles
the same way in halo 3 because when you play halo 3 mythic it says your playing halo 3
you have to have odst and it comes with an halo 3 mythic multiplayer disk and you get it with that
archon armor
To get security armor in Halo 3... all you have to do is get all of the original 49 achievements (you don't need the new mythic or legendary achievements).
Yes, halo 3 mythic is the exact same thing as halo 3 just doesn't have the campaign, also Halo 3 mythic has the new mythic maps included. Online will not change during any gameplay.
You can't. The Mythic Maps our only playable on Halo 3, not Halo Wars.
level up to an officer ranlk in any playlist, its not unlocked by global rank.
no
Mythic map pack mythic mature pack
No. You either need to purchase it from the marketplace, or you can get the mythic disk when you buy Halo 3: ODST.
You can't but, you get it free if you buy Halo 3 ODST.
There are 6 total skulls in halo 3, the ones for Mythic 1 and Mythic 2