tl:dw
[b]Super Mario 3D world[/b] - Actually looks pretty good. (and I was fairly pessimistic about this game.)
[b]Wii Party U[/b] - Meh. Looks fun if your into that type of thing. Might make a good drinking game.
[b]Donkey Kong Tropical Freeze[/b] - Delayed until Feb 2014
[b]Mario & Sonic 2014 Winter Olympics[/b] - Meh again. If your into it there is one interesting feature. You compete for the country you live in. For example if I lived in France I'd be scoring points for France along with other French players. Japan will obviously win, but still cool.
[b]Smash bros[/b] - Sonic joins the roster.
[b]Pikmin 3[/b] - Mission mode updated
Mention some third party games for 3ds and/or Wii U - Etrian Odysee, Just Dance, Skylanders, Lego, AC IV:Black Flag, Batman Arkham Origins Blackgate, Sonic Lost Worlds, Ace Attorney.
2ds and pokemon briefly mentioned. Wind Waker gear for Animal Crossing. Streetpass Relay points beefed up.
[b]Bravely Default[/b] (Square Enix) - Looks interesting. Final Fantasy-esque. Those English voice actors are unbearable though, so might be best to stick to Japanese if ya pick it up.
[b]Legend of Zelda: Link between Worlds (3ds)[/b] - Talk about changes from previous Zelda games. Can approach dungeons in any order you want at "a certain point". Most items immediately available at beginning of game.
[b]New Kirby game announced for 3ds[/b] - out sometime 2014. Brief trailer shown. Looks a lot like Kirby Super Star for Super Nintendo
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Not sure how I feel about the Zelda thing. It's great that they are changing up the formula though.