Microsoft Developing "AAAA" Title

[Panama]

AAAA DAT FOUR A DAT MEEN IT ONE A BETTER DAN AAA

Seriously though it must be a typo. Not even Halo is AAAA and that's their biggest IP. Unless of course Forza costs more to make, though they don't seem to care too much about track accuracy and other intricacies which encompass racing simulators.