It is impossible for there not to be one.

I searched it: https://github.com/garungorp/MouseInjectorDolphinDuck

This isn’t exactly what you are talking about but there is the “unremarkable and odd places in X Game” series by Any Austin. You could maybe watch with the audio turned off to remove commentator. https://youtube.com/watch?v=gGDyB8t1zgE

There is also a somewhat new but highly prolific YouTube channel that posts videos of characters going on runs through their game worlds depopulated of monsters: https://youtu.be/kmWMgAnPrE0