Played 1826 times.
In stackball.io you bounce a round blue ball all the way from top to bottom without colliding with black colored objects.
You have to control ball by bouncing it until you smash all like colored objects.
When you see any black objects slow down and dont touch them or you'll get crushed into pieces and its gameover.
Stack Ball is a popular helix game, you win when you reach bottom platform that is when you clear all like colored objects.