Here is the full list of all 31 Ice Cream Surfer achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
NEW_ACHIEVEMENT_DESC_1_0
Complete level 1
Complete level 2
Complete level 3
Complete level 4
Complete level 5
Complete level 6
Destroy 50% enemies
Collect all the letters
Destroy 90% enemies
Kill 1000 enemies
Obtain 5000 points
Obtain 8000 points
Playing 100 times
Playing 200 times
Obtain all