No Drones Mode:
On the screen before the character select screen, press X, X, Y, Y, White, Black, and START.
This doesn't have any effect on points scored during the race.
Expert Mode:
On the screen before the character select screen, press Y, X, Y, Y, X, and START.
This doesn't have any effect on the points scored during the race.
All Boost Mode:
On the screen before the character select select screen, press Y, Black, Black, Y, R, and START.
This doesn't have any effect on the points scored during the race.
All Invisible Mode:
On the screen before the character select screen, press X, Y, X, R, Y, Y, START.
This doesn't have any effect on the points scored during the race.
Super Boost Wheelie Mode:
On the screen before the character select screen, X, Y, X, R, Y, Y, and START.
This doesn't have any effect on the points scored during the race.
Snowman:
Win all Gold medals on all twelve circuits. This will unlock the Snowman character.
