Here is the full list of all 11 Prison Chainball Massacre achievements.
Unlock all chainballs.
Unlock all bonuses.
Have 10 golden enemies at screen at once.
Reach Inmate #100.
You disabled blood, you pansy.
Reach 10 kills with a basketball while being black.
Become black.
Reach wave 10
Reach x10 combo.
Change the color of your outfit.
Finish the tutorial.