Vexing Doors

Obake Yashiki wa Nazo Darake! (おばけやしきはなぞだらけ！ The Ghostly Mansion of Mystery!) is an e-Reader level for Super Mario Advance 4: Super Mario Bros. 3. The level contains five Advance Coins.

Level Synopsis
The level takes place in a Ghost House. Eventually, you'll have to fight a Big Boo.