Be careful~!

Color Helix Ball is not just helix stack break game.
The color will be changed and you need to match color of the ball and stack.

Press and hold on the screen and destroy the stacks.
Go down when the same color is under the ball.

The color will be changed throw the big one color stack so you need to match the color of the ball and stack.

If you go down for long time, you will see that your ball is on the fire and it's invincible.
No matter what color is the stack, every stack will be destroyed.

Unlock and enjoy new balls.