Well, This is the actual list of stages suggestions:
MARIO BROS.
- Super Mario Bros. ~ Bowser's Castle
- Super Mario Bros. 2 ~ Wart's Throne Room
- Super Mario Bros. 3 ~ Grass Land
- Super Mario Bros. 3 ~ Airship Level
- Super Mario 64 ~ Tic Toc Clock
- Super Mario 64 ~ Koopa's Road
- Super Mario Galaxy ~ Comet Observatory
- Super Mario Galaxy ~ Princess Peach's Castle (Star Festival)
- Super Mario Galaxy ~ Bowser Jr's robot reactor
- Super Mario Galaxy ~ Fleezeflame Galaxy
- Luigi's Mansion ~ New area of Luigi's Mansion
- Luigi's Mansion ~ Rooftop
- Super Mario World ~ Ghost House
- Paper Mario: The Thousand Year Door ~ Rougeport
- Bowser Inside Story ~ Bowser's Throne Room
- Mario Party ~ Mario Party
- Mario Clash ~ Mario Clash
- Super Mario RPG ~ Super Mario RPG
MARIO KART
- Mario Kart Wii ~ Coconut Mall
DONKEY KONG
- Donkey Kong country ~ DK's Tree House
- Donkey Kong Country ~ Gangplank Galleon
- Mario VS Donkey Kong DS ~ Mini Mario Stage
THE LEGEND OF ZELDA
- The Legend of Zelda: Ocarina of Time ~ Desert Collosus
- The Legend of Zelda: Ocarina of Time ~ Ganon's Castle
- The Legend of Zelda: Ocarina of Time ~ Death Mountain Trail
- The Legend of Zelda: Ocarina of Time ~ Death Mountain Crater
- The Legend of Zelda: Twilight Princess ~ Hyrule Castle
- The Legend of Zelda: Twilight Princess ~ Gerudo Desert
- The Legend of Zelda: Twilight Princess ~ Lake Hylia
- The Legend of Zelda: Twilight Princess ~ Twilight Realm
- The Legend of Zelda: The Wind Waker ~ Hyrule Castle
METROID
- Metroid ~ Mother Brain's Chamber
- Metroid ~ Phaaze
- Super Metroid ~ Planet Zebes / Unknown Area
STARFOX
- StarFox 64 ~ Katina
- StarFox Adventures ~ Dinosaur Planet
- StarFox Assault ~ Apariod Homeworld
KIRBY
- Kirby ~ Gourmet Race
- Kirby's Dream Land ~ Mt. Dedede
- Kirby and the Amazing Mirror ~ Mirror Maze Hub
- Kirby 64 ~ Dark Star
- Kirby 64 ~ Techno Pyramid
POKÉMON
- Pokémon Red & Blue ~ Viridian Forest
- Pokémon Red & Blue ~ Cinnabar Island
- Pokémon Red & Blue ~ Rocket Hideout
- Pokémon Shappire & Ruby ~ Groudon & Kyogre Battle
- Pokémon Pearl & Diamond ~ Hall of Origin
- Pokémon Pearl & Diamond ~ Snow Point Temple
- Pokémon Platinum ~ Distortion World
- Pokémon HeartGold & SoulSilver ~ Legendary Shrine (Tin Tower & Whirl Island)
- Pokémon ~ Poké Floats
- Pokémon ~ Victory Road
YOSHI'S ISLAND / STORY
MOTHER / EARTHBOUND
- Mother 1 ~ Magicant
- Mother 1 ~ Youngtown
- Mother 1 ~ Mt. Itoi
- Mother 1 ~ Cave of the Past
- Mother 2 ~ Saturn Village
- Mother 2 ~ Lost Underground
- Mother 3 ~ Tazmilly Village
- Mother 3 ~ Oshoe Castle
F-ZERO
FIRE EMBLEM
ICE CLIMBER
GAME & WATCH
WARIO LAND / WARE
- Wario Land 4 ~ The Big Board
- Wario's Woods ~ Wario's Woods
KID ICARUS
- Kid Icarus ~ The Underworld
- Kid Icarus ~ Classic Kid Icarus
PIKMIN
ANIMAL CROSSING
- Animal Crossing: City Folk ~ Smash City
R.O.B
- Gyromite ~ Stack & Gyro
PUNCH-OUT!
THE LEGEND OF STAFY
GOLDEN SUN
SIN & PUNISHMENT
- Sin & Punishment ~ Shinjuku Rooftop
CUSTOM ROBO
METAL GEAR
- Metal Gear Solid 2 ~ the Tanker
- Metal Gear Solid 2 ~ the Plant
SONIC THE HEDGEHOG
Sonic 2 ~ Casino Night Zone
Sonic 2 ~ Emerald Hill Zone
Sonic 2 ~ Chemical Plant Zone
Sonic 3 ~ Angel Island
Sonic 3 ~ Hydrocity Zone
Sonic Adventure ~ Perfect Chaos
Sonic Adventure ~ Emerald Coas
Sonic Adventure 2 ~ Space Colony ARK
MEGAMAN
- Megaman 9 ~ Wily's Skull Castle
- Megaman 9 ~ Endless Maze
BOMBERMAN
- Bomberman ~ Field of Glory
FINAL FANTASY
NAMCO
OTHER GAMES
- Advance Wars ~ Advance Wars
- Balloon Fight ~ Balloon Fight
- Banjo Kazooie ~ Clanker's Cavern
- Clu Clu Land ~ Eggerland (?)
- Drill Dozer ~ Red Dozer's Training Course
- Doshin the giant ~ Doshin the giant
- Duck Hunt ~ Duck Hunt
- Excite Bike ~ Excite Bike
- Kubos ~ Precipice / Nalaku
- World Stage
- Nazo no Murasamejou ~ Nazo no Murasamejou
- Pyoro ~ Pyoro
- Tetris ~ Tetris
- Wii Sport Resort ~ Wuhu Island (?)
- ¿¿?? ~ Edward Mansion Court Yard
MARIO BROS.
- Super Mario Bros. ~ Bowser's Castle
- Super Mario Bros. 2 ~ Wart's Throne Room
- Super Mario Bros. 3 ~ Grass Land
- Super Mario Bros. 3 ~ Airship Level
- Super Mario 64 ~ Tic Toc Clock
- Super Mario 64 ~ Koopa's Road
- Super Mario Galaxy ~ Comet Observatory
- Super Mario Galaxy ~ Princess Peach's Castle (Star Festival)
- Super Mario Galaxy ~ Bowser Jr's robot reactor
- Super Mario Galaxy ~ Fleezeflame Galaxy
- Luigi's Mansion ~ New area of Luigi's Mansion
- Luigi's Mansion ~ Rooftop
- Super Mario World ~ Ghost House
- Paper Mario: The Thousand Year Door ~ Rougeport
- Bowser Inside Story ~ Bowser's Throne Room
- Mario Party ~ Mario Party
- Mario Clash ~ Mario Clash
- Super Mario RPG ~ Super Mario RPG
MARIO KART
- Mario Kart Wii ~ Coconut Mall
DONKEY KONG
- Donkey Kong country ~ DK's Tree House
- Donkey Kong Country ~ Gangplank Galleon
- Mario VS Donkey Kong DS ~ Mini Mario Stage
THE LEGEND OF ZELDA
- The Legend of Zelda: Ocarina of Time ~ Desert Collosus
- The Legend of Zelda: Ocarina of Time ~ Ganon's Castle
- The Legend of Zelda: Ocarina of Time ~ Death Mountain Trail
- The Legend of Zelda: Ocarina of Time ~ Death Mountain Crater
- The Legend of Zelda: Twilight Princess ~ Hyrule Castle
- The Legend of Zelda: Twilight Princess ~ Gerudo Desert
- The Legend of Zelda: Twilight Princess ~ Lake Hylia
- The Legend of Zelda: Twilight Princess ~ Twilight Realm
- The Legend of Zelda: The Wind Waker ~ Hyrule Castle
METROID
- Metroid ~ Mother Brain's Chamber
- Metroid ~ Phaaze
- Super Metroid ~ Planet Zebes / Unknown Area
STARFOX
- StarFox 64 ~ Katina
- StarFox Adventures ~ Dinosaur Planet
- StarFox Assault ~ Apariod Homeworld
KIRBY
- Kirby ~ Gourmet Race
- Kirby's Dream Land ~ Mt. Dedede
- Kirby and the Amazing Mirror ~ Mirror Maze Hub
- Kirby 64 ~ Dark Star
- Kirby 64 ~ Techno Pyramid
POKÉMON
- Pokémon Red & Blue ~ Viridian Forest
- Pokémon Red & Blue ~ Cinnabar Island
- Pokémon Red & Blue ~ Rocket Hideout
- Pokémon Shappire & Ruby ~ Groudon & Kyogre Battle
- Pokémon Pearl & Diamond ~ Hall of Origin
- Pokémon Pearl & Diamond ~ Snow Point Temple
- Pokémon Platinum ~ Distortion World
- Pokémon HeartGold & SoulSilver ~ Legendary Shrine (Tin Tower & Whirl Island)
- Pokémon ~ Poké Floats
- Pokémon ~ Victory Road
YOSHI'S ISLAND / STORY
MOTHER / EARTHBOUND
- Mother 1 ~ Magicant
- Mother 1 ~ Youngtown
- Mother 1 ~ Mt. Itoi
- Mother 1 ~ Cave of the Past
- Mother 2 ~ Saturn Village
- Mother 2 ~ Lost Underground
- Mother 3 ~ Tazmilly Village
- Mother 3 ~ Oshoe Castle
F-ZERO
FIRE EMBLEM
ICE CLIMBER
GAME & WATCH
WARIO LAND / WARE
- Wario Land 4 ~ The Big Board
- Wario's Woods ~ Wario's Woods
KID ICARUS
- Kid Icarus ~ The Underworld
- Kid Icarus ~ Classic Kid Icarus
PIKMIN
ANIMAL CROSSING
- Animal Crossing: City Folk ~ Smash City
R.O.B
- Gyromite ~ Stack & Gyro
PUNCH-OUT!
THE LEGEND OF STAFY
GOLDEN SUN
SIN & PUNISHMENT
- Sin & Punishment ~ Shinjuku Rooftop
CUSTOM ROBO
METAL GEAR
- Metal Gear Solid 2 ~ the Tanker
- Metal Gear Solid 2 ~ the Plant
SONIC THE HEDGEHOG
Sonic 2 ~ Casino Night Zone
Sonic 2 ~ Emerald Hill Zone
Sonic 2 ~ Chemical Plant Zone
Sonic 3 ~ Angel Island
Sonic 3 ~ Hydrocity Zone
Sonic Adventure ~ Perfect Chaos
Sonic Adventure ~ Emerald Coas
Sonic Adventure 2 ~ Space Colony ARK
MEGAMAN
- Megaman 9 ~ Wily's Skull Castle
- Megaman 9 ~ Endless Maze
BOMBERMAN
- Bomberman ~ Field of Glory
FINAL FANTASY
NAMCO
OTHER GAMES
- Advance Wars ~ Advance Wars
- Balloon Fight ~ Balloon Fight
- Banjo Kazooie ~ Clanker's Cavern
- Clu Clu Land ~ Eggerland (?)
- Drill Dozer ~ Red Dozer's Training Course
- Doshin the giant ~ Doshin the giant
- Duck Hunt ~ Duck Hunt
- Excite Bike ~ Excite Bike
- Kubos ~ Precipice / Nalaku
- World Stage
- Nazo no Murasamejou ~ Nazo no Murasamejou
- Pyoro ~ Pyoro
- Tetris ~ Tetris
- Wii Sport Resort ~ Wuhu Island (?)
- ¿¿?? ~ Edward Mansion Court Yard