An unlockable stage is a stage that is not available at the beginning of the game, unlike a starter stage, but must be received through other means.

Super Smash Bros.

Stage How to Unlock
Mushroom Kingdom Complete 1P Game with all starter characters and use all starter stages in VS Mode at least once.

Super Smash Bros. Melee

Stage How to Unlock
Mushroom: Kingdom II Unlock the Birdo trophy. Said trophy is completely random, but when unlocked, the unlockable stage is unlocked along with it.
Planet Zebes: Brinstar Depths Play 50 VS. matches.
Eagleland: Fourside Play 100 VS. matches.
F-Zero Grand Prix: Big Blue Play 150 VS. matches.
Kanto Skies: Poké Floats Play 200 VS. matches.
Superflat World: Flat Zone Complete Classic Mode with Mr. Game & Watch.
Past Stages: Yoshi's Island  Hit 1300 feet in the Home Run Contest.
Past Stages: Kongo Jungle  Survive the 15-Minute Melee.
Past Stages: Dream Land  Complete Target Test successfully with all 25 characters.
Special Stages: Battlefield Complete All Star with any character.
Special Stages: Final Destination Complete the Event 51: The Showdown.

Super Smash Bros. Brawl

Stage How to Unlock
75m Play as Donkey Kong 20 times on VS. Mode
Big Blue  Play as Captain Falcon 10 times on VS. Mode
Hanenbow Complete Event 28: Flower Blooms in the Echoes
Flat Zone 2 Unlock Mr. Game & Watch
Pirate Ship Unlock Toon Link
Green Greens  Play 20 VS. Matches using Kirby
Green Hill Zone Unlock Sonic
Jungle Japes  Play 10 VS. matches on Melee stages
Luigi's Mansion Play as Luigi in 3 VS. matches
Mario Bros. Complete Event 19: Wario Bros.
Pokémon Stadium  Play on Pokémon Stadium 2 in 10 VS. matches
Spear Pillar Complete Event 25: The Aura Is With Me

Super Smash Bros. for Nintendo 3DS

Stage How to Unlock
Balloon Fight Use Villager 3 times in VS mode
Dream Land Use Ultra Sword
Flat Zone 2  Unlock Mr. Game & Watch, and complete Challenge panel 1
Magicant Unlock Ness
Mute City Win 3 VS matches using Captain Falcon
Pac-Maze Use Super Pac-Man
WarioWare, Inc.  Unlock Wario

Super Smash Bros. for Wii U

Stage How to unlock Golden hammer
Kongo Jungle 64  Clear the “The Original Heavyweights” event Allowed
Smashville  Clear the “Playing Tricks” event Allowed
Pac-Land Play on all three stages in Smash Tour Allowed
Pokémon Stadium 2  Clear the “When Lightning Strikes” event Allowed
Duck Hunt Get 1 or more KOs in a single Solo Cruel Smash Not allowed
Flat Zone X Unlock Mr. Game & Watch and play alone as said character and destroy 100 blocks in a single game of Trophy Rush Not allowed

Super Smash Bros. Ultimate

In Ultimate, there are no unlockable stages, as all 103 non-DLC stages are available from the start.

Trivia

  • Super Smash Bros. Melee is the only game where there are placeholders for unlockable stages. Despite having 11 unlockable stages, there are only 5 "?" marked boxes for unlockable stages. The ones not marked with a placeholder are Flat Zone, Special Stages, and Past Stages.
    • Additionally, in Melee, with the exception of Flat Zone, five of the unlockable stages match the universes from Smash 64's playable character roster (Mario, Metroid, F-Zero, EarthBound, and Pokémon). Therefore, Mushroom Kingdom II, Brinstar Depths, Fourside, Big Blue, and Poke Floats appear as "?" marked boxes (placeholders).
  • Super Smash Bros. for Wii U is the only installment with unlockable stages where playing VS. matches does not unlock an unlockable stage.

See also