A personal hero (and fellow Kiwi) Aaron Beck worked on this, did the bulk of the preproduction. You can find his blog here.
Some of you may have seen it but, for those who haven’t, enjoy.
Shit no, probably Adobe After effects, Vue, 3Ds Max… that sort of thing. Impressive though. I’m guessing a fair bit is matte painting, effective method on a low budget for backdrops etc