It's called the Hausa Virus, just so others can look it up.
I personally still use ONLY :
ALSO: The BUG that makes a sprite, etc appear many times in a room ("scrambled" as you call it) in a Bitsy game STILL EXISTS! It's annoying, and one reason why I prefer Bitsy forks, but a webpage reload will fix it. Just letting you know the BUG is still in your code. :)
PS: It's the SAME BUG that I first posted in my: