Everyone probably knows that
favicon is a website or webpage icon that is displayed by the browser in the address bar before the page URL, and also as an image next to a bookmark, in tabs and in other interface elements.
But not everything is so simple.

Some clever guys shoved a full mini-game (16 × 16 pixels!) Called “DEFENDER of the favicon” into this “picture” using JavaScript.
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To feel this creation
can and should be .
Control:
N - start the game; shooting
arrows - control
Enter - move the game from the website icon to the page
Successful flight!