Time Hole

The world view of this game is "flow of time".
This game begins with Homo sapiens, an ancestor of the human race of the earth 400,000 years ago.
When you drop the ball in the hole, time flows every five times, the illustration of the background changes. Please enjoy the transformation of human civilization.

As the number of balls falling into the holes increases, the ball falls faster.
Since there is a ranking function in this game, you can compete with the players all over the world to play the number of balls dropped in the hole.

How far can you observe the history of mankind? Please install "Time Hall" and challenge.