I do feel Nintendo has approached Switch software in an intelligent and also "all-in" manner so far.
I think they've sold the Switch (insofar as they've sold it on software) on a) shock and awe at extremely fan-appeasing approaches to core fan favorites (3D LoZ and Mario) that also, in the case of Zelda at least, have ridiculously positive critical and fan reception and b) on a rather complete and convincing first party multiplayer suite for the first year.
I think a) is smart because it c) makes Switch relevant to lapsed and core Nintendo consumers and d) it does much to establish "no play like it," i.e. to carve out a space for dedicated handheld-hybrid gaming distinct from the mobile space, which threatens to consume the former.
I think b) is smart because e) it promotes LAN portable culture, which drives hardware/software sales of portable devices, particularly in Japan, f) it provides games that can be played continuously, offsetting droughts, and g) it, in particular, includes Splatoon 2, making the most of momentum on that series in Japan to drive sales.
Personally, I think, going into the next year, Nintendo can and should pivot its main software thrust to titles that don't hit at a), i.e. titles that can push expanded audience adoption and don't hit the "I'm a console game!" note as hard. I think they should try and get 2D Mario, AC, and Pokemon on the device as soon as possible and preferably something among those next year. I think those sorts of games should be the point of their thrust next year with the idea being: Nintendo has carved out a place for Switch imo, they've proved, despite doubts that they could do so, that there is room for a dedicated device of this nature and they can lay of that mission a bit and focus purely on driving install base next holiday or whatever.
I think Kirby, Yoshi, and Fire Emblem would be a decent start to building a catalog for the rest of the year. Maybe we see Smash 4 DX/5 to jump start their online initiative/complete their suite of multiplayer evergreens. Maybe Prime 4 or Pikmin 4 does come next year as another core-focused title to keep the base engaged like FE. Maybe we'll get Retro's game, which I imagine is, again, core-focused but I could see it being either single-player or multiplayer. But again, I think the centerpiece(s) ought to be big, expanded audience, and evergreen.
I also think Nintendo
can achieve something like this, given their recent release history.
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I'm also just hoping that 2018 sees h) the interest in Switch among Japanese third parties become ever more concrete in actual announcements and releases, i) sees Namco and Capcom commit to the device to an "acceptable" level, and j) SMT HD launches in 2018!
Also curious how Bethesda's current initiative and the Nvidia partnership will pan out, especially with an eye on western PC oriented titles finding an attractive portable option. I hope Switch turns out to be Nintendo's best case for expanded western support in a long long time, but we'll see how that works out. I do think the sort of specs Switch has, the sort of install base Nintendo can drive, and the hybrid functionality all offer a possibility of an expanded paradigm for dedicated handhelds in the west.
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Also will be interesting to see if Nintendo can get the price down for next holiday and/or the thing keeps selling at a good rate despite its price as it (hypothetically) turns more to an expanded audience.