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One thing I will say is that in terms of first party titles, Nintendo got way better with their first party titles on DS and Wii over previous generations. So I feel strongly that people who say that the "old days" were better for Nintendo as a first party, are a little confused.
The majority of their NES titles were less complex than Wii Sports; just look at Clu Clu Land, Tennis, Golf, Urban Champion, etc... These made up the majority of NES titles, with only a very small number (Metroid, Super Mario 1, 2, 3, Zelda 1, 2, Mother, Fire Emblem) being more complex gameplay experiences than Wii Sports. All of the games I mentioned combined have less complexity than Mario Galaxy. Super Mario 3 is far ahead of everything Nintendo developed on NES. Most of these NES titles are actually barely playable, and the only reason that we suffered through them in the 80's is because that is what was available - and it was better than nothing.
During the Wii/DS era, Nintendo was reaching new heights in their traditional games (Super Mario Galaxy and Galaxy 2 especially, but also in the RPG department with Golden Sun, Pokemon, Xenoblade, and continues to expand in that genre with the new Fire Emblem coming out soon); and at the same time not only establishing new genres (action Sports like Wii Sports), but excelling in success with them. I don't think any of Nintendo's previous generations has had quite so much power in the first party releases.
Not only has Nintendo expanded the number of releases in the last generation; but the overall quality is higher than previous generations in terms of first party releases.
I describe myself as a little dose of toxic masculinity.
