I have uploaded a video of the bug here:
Ignore the low framerate, I had a bunch of other stuff open that I normally would have closed before opening this game.
Oh, that’s super strange. I did manage to play the game on Mac and I did not see this bug. Could be a compatibility issue? Do you have an old version of the OS?
I am running on Mojave.
I am encountering the same problem on a 2018 MBP running Big Sur, having launched the game through the official itch app.
This is what the main menu looks like for me: