What is the Premium Disco Ball?

You will see the Premium Disco Ball feature when you reach the 53nd level.
To get the Premium Disco Ball, you must beat 10 levels or rounds.
You will double the effect of the Disco Ball when you activate the Premium Disco Ball.
As long as you don't fail a level, Premium Disco Ball will stay active.
When you fail in a level, the Premium Disco Ball will reset. You need to start over and beat 10 levels or rounds to activate the Premium Disco Ball again.