Here is the full list of all 15 8 Ball achievements.
You have reached the lowest point of the game.
Finish the 8th level.
Finish the 7th level.
Finish the 6th level.
You chose the right way.
You found the shortcut.
Finish the 5th level.
Finish the 4th level.
Finish the 3rd level.
Finish the 2nd level.
Finish the 1st level.
Welcome to the table!!!
Finish the 9th level.
Finish the game.
You have reached the highest point of the game.