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I play halo 3 for enjoyment. I've noticed this game and community has changed alot since it's release.
^
Inheritor #156 :p
No and don't expect them to be for years.. Halo 3 still has a map pack for full price. [Edited on 12.11.2011 10:38 AM PST]
No. They're 800 MSP each. And they will be for a long time.
DLC with achievements are never free.