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Key redirects here. For the American smasher, see Smasher:Key.

Smash Bros. Dojo Subspace Emissary Key.
Universe Super Smash Bros.
Appears in Brawl
Item class Special

A Key (カギ, Key) is an item that only in the Subspace Emissary mode of Super Smash Bros. Brawl. True to their nature, they are used to unlock various doors encountered in the mode—if a character carrying a key touches a locked door, or the key is thrown at a door, it will be opened. Keys can also be thrown at enemies to do a decent amount of damage. If a key is lost without being used (broken after a throw or dropped off the stage), it will reappear wherever it was originally found.


Key trophy from Super Smash Bros. Brawl.
Key's trophy in Brawl
In The Subspace Emissary, there are often locked doors. This key is the item you need to unlock these doors. You can touch a door while holding the key, or you can even throw the key at a door to unlock it. If you lose the key, it will return to the place you originally found it. This item is vital to your progress, so do your best not to lose it.
Wii: Super Smash Bros. Brawl

Names in other languages[edit]

Language Name
Japan Japanese カギ
UK English Key
France French Clé
Germany German Schlüssel
Spain Spanish Llave
Italy Italian Chiave
South Korea Korean 열쇠


  • In the Kirby series, starting with Kirby's Return to Dream Land, there is a very similar mechanic involving carrying keys to locked doors. A similar mechanic was used in Super Mario World to unlock alternative exits in certain stages, except the keys had to be carried into keyholes instead of doors.