Here is the full list of all 18 Candy Blast achievements.
Done with 600 levels
Done with 500 levels
Done with 400 levels
Done with 300 levels
Done with 200 levels
30 levels witth no fails
Done with 100 levels
10 lose in a row
5 loose in a row
20 levels with no fails
10 levels with no fails
Start the Journey
Done with 700 levels
Done with 800 levels
Done with 900 levels
Done with 1000 levels
Done with 1100 levels
Done with 1200 levels