Pokemon Dash Cheats

Extra tracks:
To unlock a new track upload a Pokemon from a Game Boy Advance Pokemon game. Each individual Pokemon will create a new track.
Harder Grand Prix Tracks:
Win the Grand Prx to unlock a harder version of it.

Slide the touch screen to change the speed of the ending credits.

Upload a Pokemon from a Game Boy Advance Pokemon game to unlock a new track. Each individual Pokemon will create a new track.

With this you can put a GBA pokemon game (Ruby/sapphire or LeafGreen/FireRed) in the GBA slot and upload new courses with your current party.
However you can only do time attack or link with someone.