Not to be confused with Wii Party.
Wii Party U is a Party game co-developed by NDcube and Nintendo, while also being published by Nintendo for the Wii U. It was announced in January 2013 and appeared at E3 2013 before being released on October the 25th, 2013. It's a sequel to the 2010 Wii game Wii Party. It sold 1,780,000 as of December 2018, making it one of the worst selling games in the Wii Series. However, it sold the best out of all the party games (including games that were not Wii Series related) on the Wii U.