Here is the full list of all 18 AchBall achievements.
Get total score less than 18.000
Hit the wall 10.000 times
Complete level 79 with 0 score
Complete level 53 with 0 score
Complete level 33 with 0 score
Complete level 24 with 0 score
Complete level 13 with 0 score
Complete the game
Complete level 60
Destroy 500 blocks
Destroy 50 blocks
Complete level 40
Hit the wall 1.000 times
Complete level 20
Hit the wall 100 times
Hit the wall 100.000 times
Destroy 5.000 blocks
Get total score more than 40.000