I decided to make a list with exclusives games that i currently own and that I will buy in the future (unannounced games can be included too) It will be nice if you share your thoughts and your exclusive list even if you don't have and don't pretend to have a 3ds or a Wii U in your life. So here is mine:

 Wii U: NintendoLand, New Super Mario Bros U + Luigi U, ZombiU, Game & Wario, Super Mario 3d World, The Legend of Zelda Wind Waker HD, Pikmin 3, Donkey Kong Tropical Freeze, Mario Kart 8, Bayonetta 1+2, Super Smash Bros, StarFox U, Splatoon, Xenoblade Chronicles X, Fatal Frame 5, Zelda U, Metroid U, Mario Party 10,  Hyrule Warriors, Devil's Third, "Real" 3d Mario adventure, Pushmo World, Yoshi's Wolly World, Paper Mario U, The Wonderful 101...

3ds: Pokemon X , Fire Emblem Awakening, Luigi's Mansion Dark Moon, STEAM, Bravely Default, Super Smash Bros, Professor Layton vs Ace Attorney, Phoenix Wright Ace Attorney: Dual Destinies, The Legend of Zelda: A link between worlds, Kirby Triple Deluxe, Mario & Luigi: Dream Team, Kid Icarus Uprising,...

more to add...

Wii U: New Super Mario Bros U, Lego City Undercover, Super Mario 3D World, Sonic Lost World, Donkey Kong Country Tropical Freeze, Mario Kart 8, Pikmin 3, Bayonetta 2, Hyrule Warriors, Super Smash Bros for Wii U, Yoshi's Woolly World, Kirby and the Rainbow Curse, Xenoblade Chronicles X, The Legend of Zelda U, Star Fox U, Mario Party 10, Paper Mario 5, and Splatoon

3DS: New Super Mario Bros 2, Pokemon X, Animal Crossing New Leaf, Super Mario 3D Land, Mario Kart 7, Donkey Kong Country Returns 3D, Kirby Triple Deluxe, Yoshi's New island, Super Smash Bros for 3DS, The Legend of Zelda: A link between worlds, Ocarina of Time 3D, Luigi's Mansion: Dark Moon, Tomodachi Life,Mario Tennis Open, Mario and Luigi: Dream Team, Majora's Mask 3D,

Oh man were do i begin? for my 3DS my absolute impossible dream list of games that i know exist would look like:

Pokemon Y
Pokemon ΩRuby
Fire Emblem Awakening
TLOZ Ocaria of time
Scribblenauts Unlimited
Bravely Default
Bravely Second
Monster Hunter Ultimate 4
Resident Evil Revelations
One Piece Unlimited World Red
Shin Megami Tensei IV
Persona Q SOTL
Samurai Warriors Crhonicles 3 (replaces 2)
Final Fantasy Explorers
Senran Kagura Burst
Code of Princess
Shovel Knight
The Keep
Gunman Clive
SteamWorld Dig
Codename: STEAM
Atelier Roronoa which looks awesome already
One Piece Grand Battle X
Yokai Watch
Yokai Watch 2 (the latest one that hasn't come out)
Pokemon Art Accademy
Legend of Legacy
Colors 3D
Fantasy Life
Azure Striker Gunvolt
Kid Icarus Uprising
Attack on Titan TLWOM
Mighty No9
Xenoblade Chronicles
and maybe Super Smash 3DS

that's already all of my money ever

Edit: i forgot Majora's Mask!

Edit 2:Now that i think of it i'm actually missing a lot of games

Edit 3:i whish i won the lotto

"Real" 3D Mario implies that 3D Land isn't a "real" Mario; that opinion still irritates me to no end. Other than that, looks good.

Wii U: New Super Mario Bros. U, New Super Luigi U, Super Mario 3D World, Mario Kart 8, The Legend of Zelda: The Wind Waker HD, Zelda U, 64/Sunshine style 3D Mario, Paper Mario U, Xenoblade Chronicles X, Pokemon Colosseum 3, Super Smash Bros. for Wii U, Mario Party 10, Yoshi's Wolly World, Kirby and the Rainbow Curse, Mario Maker, Kid Icarus U, Luigi's Mansion U, Bayonetta 2, Splatoon, Shin Megami Tensei X Fire Emblem, Devil's Third, Captain Toad: Treasure Tracker

3DS: Super Smash Bros. for 3DS, Kid Icarus: Uprising, Luigi's Mansion: Dark Moon, Xenoblade Chronicles, The Legend of Zelda: Ocarina of Time 3D/Majora's Mask 3D/A Link Between Worlds, Kingdom Hearts 3D: Dream Drop Distance, Fire Emblem: Awakening, Kirby: Triple Deluxe, Mario & Luigi: Dream Team, Mario Kart 7, Super Mario 3D Land, Pokemon X/OmegaRuby, Donkey Kong Country Returns 3D, Shin Megami Tensei IV, Monster Hunter 4 Ultimate

Shovel Knight can be added to either... I think that's about it.