miz1q2w3e on 24 October 2011
| Lord_Yggdrassil said: Skyrim 360 is a MONSTER. It's set to have the biggest opening for a SP only game. |
There's Pokemon B&W at approx 5mil.
If that doesn't count (Even though it's mainly an RPG, it's does technically have online) then GTA:SA's first week is approx 4 
http://www.vgchartz.com/weekly_records.php
