How to delete an FPS Microgame

Unity Engine
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1

I recently downloaded an FPS Microgame from the Learn section on Unity Hub. Now that I am done using it, I would like to know how to delete that game, since there is no delete option.

2

Extreme right of the project bar you see 3 dots: click them, then REMOVE PROJECT.

I don’t know why people are now using these 3 dots everywhere: they were supposed to be used in places where something ADDITIONAL was to be placed.
The menu for the project is not something additional, it’s simply the menu to act on the project. The only other use of the project is a click on it to open it, so why use 3 dots as menu icon?