K-Pop Dance Festival Wii Iso, also known as K-POP Dance Festival in some regions, is a dance game developed and published by MGame, a Korean video game developer. The game was released in 2009 for the Nintendo Wii console, which was a popular gaming platform at the time. The game features a collection of popular K-pop songs, and players are required to perform dance moves in sync with the rhythm and beats of the music.