Unlock Expert Ghosts/ Unlock Special Credits/ Quick Start When Race Begins/Obstacle Speed Boost

Unlock Expert Ghosts:
Beat a regular course ghost at least seven seconds faster than it to unlock the course expert ghost.

Unlock Alternate Opening Screen / Alternate Ending:
Get a 1 Star Rank, or better, in ALL Cups, including Mirror Mode.

Unlock Special Credits:
Win all trophies in a class to view the credits and see a congratulations screen featuring your Mii with Mario and Peach. Win all Grand Prix Cups to get another congratulations screen featuring your Mii with all the racers.

Quick Start When Race Begins:
When the countdown begins, wait until the number 2 begins to disappear. At that moment hold the 2 button to get a boost when the race begins.

Obstacle Speed Boost:
When you fall into an obstacle, press 2 at the same time you land to boost.