Here is the full list of all 20 Drift Showcase achievements.
Play 1 Game
Play 50 Games
Play 100 Games
Play 250 Games
How You Did That ;)
NOO WAAYYYY !
Win 10 Fans
Win 100 Fans
Win 1000 Fans
Win 10k Fans
Win 50k Fans
Win 100k Fans
Drift 1 Kilometer
Drift 10 Kilometers
Drift 100 Kilometers
Break 1000 Blocks
Go Through 250 Gates
Perform 500 Clip Points
Hit 100 Poles
Perform 250 Jump Drifts