When the timer expires the game starts, never stop click the large central button.
The more time passes, the more button resources are accumulated.
Thanks to these resources, you can send timer instant buttons to the opponent, they must click it in 5, 10, 15, 20 seconds, if they won't lost.
The more buttons you send, the more your opponent has to work hard to click them all.
Don't forget to press the istant buttons that are sent to you.
The first who fails to press them all loses.

Up to 6 players can be played in a single match.