Here is the full list of all 36 Juggly achievements.
Make a level 3 ball.
Make a level 4 ball.
Make a level 5 ball.
Make a level 6 ball.
Make a level 7 ball.
Make a level 8 ball.
Complete all the alternating timed levels.
Complete all the standard timed levels.
Complete all the core levels.
Complete all the random ball speed levels.
Complete all the random spawn location levels.
Make a yellow ball in under 40 seconds.
Make a red ball in under 70 seconds.
Make a purple ball in under 130 seconds.
Achieve a score of over 700 on any level.
Achieve a score of over 1000 on any level.
Achieve the max score of 10 points on level Core 1.
Achieve the max score of 34 on level Core 2.
Achieve the max score of 98 on level Core 3.
Achieve the max score of 258 on level Core 6.
Complete level Core 4 in 10 or less turns.
Complete level Core 5 in 14 or less turns.
Complete level Core 7 in 22 or less turns.
Complete level Core 8 without making a red ball.
Complete level Core 9 without making a red ball.
Complete level Core 10 without making a purple ball.
Complete level Core 11 without making a purple ball.
Complete level Core 12 without making an orange ball.
Survive for 120 seconds on level Random Speed 5.
Survive for 130 seconds on level Random Speed 6.
Survive for 140 seconds on level Random Speed 7.
Survive for 150 seconds on level Random Speed 8.
Survive for 160 seconds on level Random Speed 9.
Survive for 170 seconds on level Random Speed 10.
Survive for 180 seconds on level Random Speed 11.
Survive for 240 seconds on level Random Speed 12.