The two top selling games of March were Pokemon White and Black, followed by THQ's Homefront, though only 1.1M units sold of 2.4M shipped. Next in sales was Dragon Age II and Call of Duty: Black Ops, remaining on the charts yet again.
Part of the issues plaguing the NPD's figures, however, is the fact it doesn't count digitally distributed games. It'll be interesting to see the April NPD sales figures for Portal 2, which will not only be available on Steam PC but Stream PS3, too.