Microsoft has confirmed to GameDaily BIZ that BioWare's critically acclaimed RPG is off to a red hot start with one million copies sold in less than three weeks.
"We've... seen a strong response to both Halo 3 sales with more than 5 million, and Mass Effect which has sold more than a million copies in less than three weeks," noted Bell, highlighting consumers' reaction to Microsoft's holiday push.
Update Update: the numbers are worldwide sales total.