yeah nintendo got their shit kicked in this month.
wii u and 3d world are self-explanatory. i think with having the whole of december they'll sell incrementally better. that's still not anywhere near good though.
3ds is doing okay but it should have topped a million with $99 hardware on the market. pokemon absolutely dropped off as well, and zelda did okay with 400k games (once you include the bundles).
i think in 2014, they need to have $200 hardware. really, get rid of the gamepad. at this point it's not even about getting it into people's homes- it's about reducing cost of producing each console. these are going to be lean years up ahead.
the 2ds needs to drop down to $100 eventually, but not for a while. instead, nintendo should advertise all their handheld games this year and make sure interest in the 3ds doesn't drop off like it did with the wii u. i feel that 2013 will be its peak year in the states. smash bros., yoshi, and others will probably sell well, but they've burnt all their system-sellers now. i think the worst part of the 3ds is that the games are super expensive for handhelds. $40 isn't much of an agreeable price. it wasn't ten years ago, it wasn't five years ago, and it isn't now.
2015 would be a good time to actually release one new piece of hardware. i don't think they can afford to have a tailing off period and it seems the 3ds is going to drop off sooner than later. it's a risky proposition, but if they spend the next two years creating some sort of hybrid system, it might pay off. it depends on marketing though. whatever they make next, they need to communicate why people want the thing and don't let up, and don't have ten months after launch where there aren't first-party releases.