King of hitting repeatedly

How many times every ten seconds can you hit it repeatedly?

Game that single-mindedly hits button repeatedly without using head.

The bonus button in 50 points appears uncommonly by ten points when the button is pushed once.

Stage 1 is passing by 600 points or more.
Stage 2 is passing by 900 points or more.
Stage 3 is passing by 1200 points or more.
Stage 4 is passing by 1500 points or more.

It becomes a stress reduction.
Please challenge by all means.