They spawn too close to the left. Maybe spawn them on the right edge of the screen?
ok because they spawn too close to where you spawn
ok i fixed it https://makecode.com/_VWqM6C5WkRk6
OK, this is a good one ! It downloads and plays well on my GHI BrainPad Arcade console. I have not yet tried it on PyGamer or on the Meowbit for Arcade. Good job ; our students will like it.