Whee! is a minigame in Dance Dance Revolution: Mario Mix, found in world 4. In this minigame, Mario or Luigi stand on a bridge, but the bridge collapses and the player starts falling to a trampoline. While falling, the player can move the character right or left. When the player reaches the trampoline, they jump in the air and collect coins. When the player start to fall again, they are caught by a Lakitu.
"Start with your feet on ← and → and watch for the trampoline. Keep off both arrows when the timing is right and jump as high as you can!"