The page for the game explains, “A tiny Flappy Bird clone that lives in your favicon. Wonder why I made this? Don't overthink it. Also you probably can figure it out but this do ...

It doesn’t matter whether the bookmark toolbar appears set to be visible on all tabs or only new tabs; you should still see the website’s favicon as the bookmark icon. If it doesn’t ...

The developer tapped into Google Chrome's internals, writing code that can precisely control the favicon for each tab and rapidly update the tiny icons to animate the ball's movement. Ever opened ...