Not all of Treyarch worked on CoD Ghosts for WiiU

[Kresnik]

curl-6 said:

Not really. Porting likely doesn't cost much.

I don't think developing titles in 4 months costs very much either - there's a cap on how much money you can spend in that time :P

Or at least, not enough to make up a 500k sales difference, which I think is what the guy was getting at.