Next Circle

This is a small game for training memory, remember the position of the front circle and find the position of the new circle.

Game Description:
①There is 1 circle in the first level, 2 circles in the second level, 3 circles in the third level, and 4 circles in the fourth level...
②Add a random position, random colored circle to each level
③If the added circle is clicked then pass, otherwise the game ends
④There is a time progress bar at the top of the page, and the game ends if each level exceeds the time.