How to unlock all Hidden Stages during this event -Yokai Watch Puni Puni

The Hidden Stage Requirements are already translated in the video.
How to unlock all Hidden Stages during this event -Yokai Watch Puni Puni
How to unlock all Hidden Stages during this event -Yokai Watch Puni Puni
How to unlock all Hidden Stages during this event -Yokai Watch Puni Puni

Puni