While it came packaged as a two-pack alongside the Wii U version, the two are completely different games. Yuji Naka’s studio, Prope, actually finished this Wii version back in 2011. However, as the console's lifecycle came to an end, publisher Kadokawa Games struggled to find a profitable way to launch it. Years later, they developed a 3DS version in-house, ported it to the Wii U, and finally released both versions together. Here's a video explaining the differences between both versions:
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