Active Life: Extreme Challenge

In Active Life: Extreme Challenge jump on the mat, grab your Wii Remote, and challenge your whole body in 15 fun, adrenaline-fueled single and multiplayer activities like base jumping, rock climbing, skateboarding, BMX, street luge and wakeboarding! This game is known as Family Trainer: Extreme Challenge in Europe, and Family Trainer 2 in Japan.

Mat Controller
The Mat Controller can be emulated in Dolphin like the other emulated GameCube controllers. In Options > Controller Settings, set port 1 of a GameCube controller to Dance Mat. The Dance Mat is mapped to the GameCube controller according to the following:

D-Pad Up    = Blue Arrow Up D-Pad Down   = Blue Arrow Down D-Pad Left  = Blue Arrow Left D-Pad Right = Blue Square Y Button    = Orange Arrow Up A Button     = Orange Arrow Down X Button    = Orange Arrow Right B Button    = Orange Square Start Button = - Button Z Button    = + Button