Gaijin Games is working on a fix
for the unfortunate Wii U Runner2
bug that causes the system to freeze when exiting or powering off. "We had never experienced this issue on our devkits, during development, so it seems that this is an issue that only occurs on retail Wii Us," notes Gaijin co-founder Alex Neuse. "This makes it super gnarly to debug. It might not even be our bug. But we have tried to fix it."
Aside from making it stop doing that awful thing, the upcoming patch will make a few other tweaks, like saving your highest score on the leaderboard instead of your most recent, and putting some feedback in the mysteriously long-lasting login screen.
Despite this problem, we recommend playing Runner2