Their concepts for it were all "Forerunner in direction." They looked to Halo as well as what physical material they had to work with for inspiration. Pads were "a little easier to deal with".
The controllers are Forerunner and UNSC in design, explains the blog. 343 even let fans sample the power and eject sounds attached to those specially made Xbox 360s.
"We started off with a few different concepts, but most of them were Forerunner in direction. What was interesting about this process was looking both at our universe for inspiration – as well as the fabrication, material, and tech processes that had become available to us," detailed the 343 team.
"Figuring out what we could do and how those manufacturing and painting techniques could apply to the unit was a completely organic, two way process." They added: "There were dozens of iterations with hundreds of changing elements, but it’s kind of a continuum of progress and refinement."
Check out the shots of the Halo 4 Xbox 360 Limited Edition below, orfor more.
Halo 4 releases on Xbox 360 November 6th.