Here is the full list of all 12 Gotcha Racing 2nd trophies - there are 7 bronze, 4 silver and 1 gold.
Cleared Grade D
Cleared Grade A
Finished 200 races
Used the Capsule Machine 100 times
Raced against ghost data on Time Attack
Left ghost data on all courses on Time Attack
Uploaded ghost data to the rankings
Ranked in on the finals in a Time Attack event
Competed in VS Mode
Played a mini game
Finished a race with RC settings
Earned 1,000,000 G