Shuffle Mode EX
From the Super Mario Wiki, the Mario encyclopedia
Shuffle Mode EX is a minigame that appears in Yoshi Topsy-Turvy. It is a more difficult version of Shuffle Mode and the same rules apply, but "Double Missions" appear more frequently and some missions require Yoshi to complete bigger tasks. The minigame ends when Yoshi either fails to complete a mission or loses a life. It can be unlocked by getting Gold Medals in every level.