The side "collector" is gained:
Access to War Games map packs. three packs of three multiplayer maps, nine cards in total. These packs will be available for download via Xbox LIVE after the launch of the game (A detailed schedule of map packs will be announced later).
Specializations. A step ahead to improve the skills of your Spartan through early access to six specializations at the launch of the game on Xbox LIVE. These specializations also unlock new customization options. Buyers of the limited edition Halo 4 will benefit from the launch while the other players will have to wait for these specializations are available publicly.
The UNSC Infinity Briefing Packet. A diagram of armor customization, a plan of the immense building and numerous documents describing the daily life of the warrior elite of humanity: the Spartans-IV.
Digital content bonuses:
A single Spartan-IV armor skin
A single assault rifle skin
An exclusive in-game emblem
An accessory for Xbox LIVE avatar
A Spartan-IV armor Xbox LIVE
"Halo 4: Forward Unto Dawn" Special Edition. This long version (90 minutes) of the film "live" presents the "Halo" universe in a completely new light through a scenario leading to the events of Halo 4.
Exclusive videos:
A bonus fiction that deepens the characters and stories of "Halo 4: Forward Unto Dawn"
A special documentary: Bringing Gaming into Reality
The making-of "Halo 4: Forward Unto Dawn"