Achievement 1
HOLY CRAP, BLUE SHELLS!
Win a race in 1st place after being hit 5 times by a Blue Shell when in 1st place.
Achievement 2
DARN YOU, BLUE SHELL!
Get hit by a Blue Shell when in 1st place, then finish the race in last place.
Achievement 3
Blue Shells, again?!
Throw 200 Blue Shells.
Achievement 4
Finally, Red
Get hit by a shell when in 1st, turn into last place then win in 1st place.
Achievement 5
Addicted Level 9001
Get 5000 coins, finish all the cups in all the "cc"s, run in the Ghost mode in all the stages.
Achievement 6
Over 9000
Get over 9000 coins.
Achievement 7
Over 9000 #2
Have over 9000 VR.
Achievement 8
Useless?
Use the Friend List option "Join game" to enter an online race.
Achievement 9
Glitch, Wat?
When playing online, see someone falling the track then appearing back as if the person didn't fall.
Achievement 10
Glitch, Why
Try to do the Achievement 9 but yourself, but actually fall and fail.