What were those four optional downloads for? To speed up load times and so certain assets in the game load in faster so you wont see this happen nearly as often. But is it worth the 2 - 10GBs of space these downloads can take up on your Wii U?
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How it looks fully loaded
they were only ever meant for the disc version of the game, if you have it digitally they just take up space. if you are using the disc version its worth it if u have the space on your hard drive imo
hope this helped