Here is the full list of all 7 Colette's Sugar Madness achievements.
Finish The Game 1 time
Finish the game 5 times
Finish The Game 10 times
Get a total of at least 1,000 candies
Get a total of at least 2,000 candies
Get a total of at least 3,000 candies
Get a total of at least 3,500 candies