The Heroic Map Pack for Halo 3 is now free. You can download it via xbox live marketplace.
i had same problem you jest redownload heroic map pack and it should work.
Go re-download it
Download it FREE from the XBOX LIVE Marketplace.
If you have xbox live go to the marketplace,find halo 3. Then download the heroic map pack.
You can't unlock items, you have to download map packs off of Xbox Live. Like the Heroic map pack, the Legendary map pack and the Mythic map pack.
Download the Heroic Map pack from the marketplace for free.
you probaly need legendary, cold storage and/or the heroic map pack.
The Heroic Map Pack is the Heroic DLC. Try downloading it again if it didnt show up.
There are several map packs. There is the Mythic map pack, Heroic, Legendary, and Mythic part 2. The Heroic map pack is free to download while the other map packs are from 200 ms points - 800. There is also a bonus map called cold storage which is also free! - Henry
No, it must be downloaded to your HDD from the Xbox Live Marketplace.
Yes, there is. Map packs include Heroic map pack and Legendary map pack.
Well, if you're talking about either the Heroic or Legendary map pack, then I assume you already know. The Mythic map pack, however, will be available both as a download (sometime in March) and included in the Limited Edition of Halo Wars.