Back Door

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Level
Back Door
The Back Door area from Super Mario World.
Mario facing a Ninji and a Mechakoopa
Level code 7-BD
World Valley of Bowser
Game Super Mario World
Time limit 400 seconds (SNES version)
600 seconds (GBA version)
Boss Bowser
<< Directory of levels >>
The Front Door on the left and the Back Door on the right

The Back Door is a level in the Valley of Bowser in Super Mario World. It is similar to the Front Door of Bowser's Castle but skips over the majority of the level, starting at the "dark" room. The eight doors are skipped entirely, making Bowser's Castle much easier. The only difference in the "dark room" from the Front Door path is a Midway Gate just before the fight to Bowser. The battle with Bowser is unchanged, as is the credits and ending scenes. This level and the Front Door are both counted as the same exit, and as such, the player is only required to complete one of them to achieve 100% completion.

It can be accessed through a secret path in the Valley of Bowser, specifically after the completion of the level Valley Fortress.

A reference to this level was made in New Super Mario Bros. Wii. By taking a secret exit from the World 7 tower and finishing the secret level, it is possible to go through a secret entry to the World 7 castle, skipping almost the whole level, except for the final Sledge Bro and the door to Ludwig von Koopa. A similar reference is made in New Super Mario Bros. U (and, as such, New Super Luigi U), where the player can take a shortcut (and the final Star Coin) in Roy's Conveyor Castle/Roy's Ironclad Castle by using red switch blocks to get behind the castle.

Enemies[edit]

Names in other languages[edit]

Language Name Meaning
Japanese クッパのしろうらぐち
Kuppa no Shiro Uraguchi
Bowser's Castle Back Door

French Porte de derrière
Back Door
German Seitentor
Side Gate
Italian Porta sul retro
Back Door
Spanish Puerta de Atrás
Back Door

Trivia[edit]

  • If Super Mario Advance 2 is played on a backlit Nintendo handheld (such as a Game Boy Advance SP or Nintendo DS Lite), the background in the dark section of the level will be so bright that the red ? block light is actually not needed to complete the level. This is because those systems are backlit and this game was intended to be played on a non-backlit Game Boy Advance.
  • In Super Mario Advance 2, even after the player defeats Bowser, it is impossible to leave the Back Door without quitting the game or losing a life.