[Alexinator]

I have:

Super Mario Deluxe
Super Mario Bros 2
Super Mario Bros 3
Super Mario Land
The Legend of Zelda: Oracle of Seasons
The Legend of Zelda: Oracle of Ages
The Legend of Zelda: Link's Awakening DX
Rayman (GBC)
Rayman (DSIware)
Pokemon Yellow
Harvest Moon (GBC)
Kid Icarus: Of Myths and Monsters
Kirby's Dream Land
Kirby's Dream Land 2
Metroid
Metroid II:Return of Samus
Azure Striker Gunvolt
Mighty Gunvolt
Cave Story
3D Sonic The Hedgehog
VVVVVV

[BinaryPulsar]

Phoenix Wright Dual Destinies
Smash Bros 4 demo
Monster Hunter 4 Ultimate demo
Pokemon Shuffle
Shantae
Shantae Risky's Revenge
Shantae and the Pirate's Curse
Yokai Watch demo
Edge

...( ･ㅂ･)

[VikVanHazel]

This is a rather lengthy list, but here you go!

3DSWare

Spoiler

Sorry but you are not allowed to view spoiler contents.

DSIWare

Spoiler

Sorry but you are not allowed to view spoiler contents.

Virtual Console (Gameboy/GBA)

Spoiler

Sorry but you are not allowed to view spoiler contents.

Virtual Console (NES)

Spoiler

Sorry but you are not allowed to view spoiler contents.

Demos

Spoiler

Sorry but you are not allowed to view spoiler contents.