Seems as though A couple games (Pikmin 3/WiiPartyU/LoZ WW HD/NSMBU) benefited from the MK8 offer! Take a look...
Total WW Sales
● 1.63mil: Pikmin
● 1.20mil: Pikmin 2
● 790k: Pikmin 3 (+132k Digital Sales from US)
So interestingly Pikmin 3 and the top 13 games overall (these include retail games Wii Party U+LoZ WW HD) all have way above 132k in digital sales.
(From NPD)
LTD Software Sales: Mario Kart 8 [WIU] 753K Retail Standalone, 885k Total
What do you think? I know MK8 free offer helped out but still, Currently 1mil seller for Pikmin 3?!!! And Wii Party U should Easily be over 1.5mil now WW!