Bowser's Castle Back Door

How to clear Bowser's Castle Back Door in Super Mario World for the Super Nintendo Entertainment System and Game Boy Advance.

A scene from Bowser's Castle Back Door in Super Mario World.

How to Clear Bowser's Castle Back Door

Go to the right and hit the red ? Block to turn on a spotlight that swings slightly left and right.

At the top of the stairs, there is a Ninji that jumps up and down. Stomp on it, then go past the lava pit down below.

There is a Ninji, followed by a Mechakoopa going through a narrow passage on the right.

After that, there are two Ninjis, a Mechakoopa in a narrow passage, and two more Ninjis, followed by a lava pit.

After that, if you skipped the castle front door and entered through the back door, you will find a Midway Gate.

Go to the right and go through the big door to face the final boss, Bowser Koopa!