Today is Bungie Day! It may not be on your regular calendar but it’s something well worth noting as it seems they’ll be regularly offering free stuff on July 7th each year.

The pack consists of Cold Storage, a new multiplayer map that’s an adaptation of Chill Out from the original Halo game (don’t forget the Legendary Map Pack has been reduced to 600 Microsoft Points also).

The developer has also made a lovely new Halo 3 Xbox Live theme and Halo-themed GamerPics. They are only available today so grab ‘em while you can.

Heading over to the Bungie site will give you access to a bunch of free and special forum avatars, backgrounds for your profile and skins for your groups too.