Another fun little roster game for me, Sakurai (and Nintendo for later instalments) gets control of fighters, I get control of stages.
Smash 64:
Bob-Omb Battlefield
Kongo Jungle
Hyrule Castle
Planet Zebes
Super Happy Tree
Green Greens (rename of Dream Land)
Lylat Cruise
Pokémon Stadium
Bowser's Castle
Melee:
Battlefield
Final Destination
Peach's Castle
Airship
Mushroom Kingdom
Kongo Falls
Bramble Blast
Sword on Cliff (as in Zelda 2's title)
Temple
Brinstar
Yoshi's Story
Yoshi's Island (based on SMW2, not World.)
Fountain of Dreams
Halberd
Corneria
Venom
Saffron City
Mute City
Onett
Icicle Mountain
Subcon (rename of Mushroom Kingdom 2)
Brinstar Depths
Poké Floats
Big Blue
Fourside
Flat Zone (what we know as Flat Zone X)
Brawl:
Delfino Plaza
Mushroomy Kingdom
Rainbow Road
WarioWare, Inc.
Rumble Falls
Clock Town
Norfair
Frigate Orpheon
Hop! Hop! Donut Lifts
Butter Building
Krazoa Palace
Poké Floats 2
Port Town Aero Dive
Castle Siege
Forest of Hope (rename of Distant Planet)
New Pork City
Gyromite
Mario's Cement Factory
Skyworld
Shadow Moses Island
Luigi's Mansion
Pirate Ship
Spear Pillar
25M
Mario Bros.
Wii Menu
Kuru Kuru Kururin
Green Hill Zone
3DS and Wii U shared
Boxing Ring
Duck Hunt
Gaur Plain
3DS:
3D Land
Golden Plains
Maple Treeway
Sarasaland GB
Geudo Valley
Spirit Train
Butter Building
Kalos Pokémon League
Prism Tower
Mute City SNES
Magicant
Arena Ferox
Reset Bomb Forest
Tortimer Island
Pullblox
Living Room
Pilotwings
Tomodachi Life
PictoChat
Central Highway
Pac-Land
Wii U:
Big Battlefield
Mushroom Kingdom U
Comet Observatory
Hisstocrat
Mine Cart Madness
Skyloft
SR388
Prince Froggy's Belly
Rainbow Route
Orbital Gate Assault
Unova Pokémon League
Coliseum
Flat Zone 2
Palutena's Temple
Awazon River Basin
Garden of Hope
Town & City
Obstacle Course
Sanderson Family Home
Jinbe Land
Wuhu Island
Casino Night Zone
Wily Castle
Pac-Maze
Miiverse
DLC:
Same as it is
Ultimate:
Steam Gardens
Future Hyrule Castle
Ancho-V Games
Dracula's Castle
Ultimate DLC:
Velvet Room
Yggdrasil's Altar
Spiral Mountain
KoF Stadium
Garreg Mach Monastery
Ramen Bowl
Minecraft World
Northen Cave
Cloud Sea (rename)
Mishima Dojo
Bob-Omb Battlefield
Kongo Jungle
Hyrule Castle
Planet Zebes
Super Happy Tree
Green Greens (rename of Dream Land)
Lylat Cruise
Pokémon Stadium
Bowser's Castle
Melee:
Battlefield
Final Destination
Peach's Castle
Airship
Mushroom Kingdom
Kongo Falls
Bramble Blast
Sword on Cliff (as in Zelda 2's title)
Temple
Brinstar
Yoshi's Story
Yoshi's Island (based on SMW2, not World.)
Fountain of Dreams
Halberd
Corneria
Venom
Saffron City
Mute City
Onett
Icicle Mountain
Subcon (rename of Mushroom Kingdom 2)
Brinstar Depths
Poké Floats
Big Blue
Fourside
Flat Zone (what we know as Flat Zone X)
Brawl:
Delfino Plaza
Mushroomy Kingdom
Rainbow Road
WarioWare, Inc.
Rumble Falls
Clock Town
Norfair
Frigate Orpheon
Hop! Hop! Donut Lifts
Butter Building
Krazoa Palace
Poké Floats 2
Port Town Aero Dive
Castle Siege
Forest of Hope (rename of Distant Planet)
New Pork City
Gyromite
Mario's Cement Factory
Skyworld
Shadow Moses Island
Luigi's Mansion
Pirate Ship
Spear Pillar
25M
Mario Bros.
Wii Menu
Kuru Kuru Kururin
Green Hill Zone
3DS and Wii U shared
Boxing Ring
Duck Hunt
Gaur Plain
3DS:
3D Land
Golden Plains
Maple Treeway
Sarasaland GB
Geudo Valley
Spirit Train
Butter Building
Kalos Pokémon League
Prism Tower
Mute City SNES
Magicant
Arena Ferox
Reset Bomb Forest
Tortimer Island
Pullblox
Living Room
Pilotwings
Tomodachi Life
PictoChat
Central Highway
Pac-Land
Wii U:
Big Battlefield
Mushroom Kingdom U
Comet Observatory
Hisstocrat
Mine Cart Madness
Skyloft
SR388
Prince Froggy's Belly
Rainbow Route
Orbital Gate Assault
Unova Pokémon League
Coliseum
Flat Zone 2
Palutena's Temple
Awazon River Basin
Garden of Hope
Town & City
Obstacle Course
Sanderson Family Home
Jinbe Land
Wuhu Island
Casino Night Zone
Wily Castle
Pac-Maze
Miiverse
DLC:
Same as it is
Ultimate:
Steam Gardens
Future Hyrule Castle
Ancho-V Games
Dracula's Castle
Ultimate DLC:
Velvet Room
Yggdrasil's Altar
Spiral Mountain
KoF Stadium
Garreg Mach Monastery
Ramen Bowl
Minecraft World
Northen Cave
Cloud Sea (rename)
Mishima Dojo