Castles - Masterpiece Set Known in Yoshi's Island: Super Mario Advance 3 as Ultimate Castle Challenge, is the extra level in World 6 in Super Mario World 2: Yoshi's Island.
Level areas[]
- Part 1: Caged Ghosts and a Mace Guy are present.
- Part 2: Moving platforms over and under spikes are present. Some Spear Guys appear here.
- Part 3: Flatbed ferries under and over thorns, super fast platforms that head straight into spikes. An Egg Block and some Dangling Ghosts are in this room.
- Part 4: Yoshi Rides on a flatbed ferry while dodging attacks from Sluggers and Green Gloves.
- Part 5: Yoshi Ground Pounds through a long tunnel while dodging getting knocked into thorns lining the walls.
- Part 6: Similar to part 5 other than lacking thorns.
- Part 7: Yoshi Rides an underwater flatbed ferry going under thorns and reaches the goal ring for the last part.