Can you crack open the lock box, under par, and earn 3 stars and a puzzle piece ? For each level ? Earn 3 stars and each levels puzzle piece for every single level, there is 100 planned levels, and you will unlock a prize. Every 20 levels where you earn 3 stars and a puzzle piece will unlock a Bonus level. ParBall places you in different scenarios : Fire Crashing Cylinders Anti-gravity Lasers There are 16 levels now with many more planned. Rate for more levels.