So if you go to file and select "Generate Puzzle" it blocks all tabs and deletes all blocks, but why?
The 'generate puzzle' essentially gives you a project where only the blocks necessary to produce what's in the scripting area are visible.
The idea is mostly for teachers, who might want to give students a limited environment (which we often call a "microworld") to focus practicing with just a few blocks. Ideally, of course, you delete the code in the scripting area before sharing it with students.
Thanks! I can't believe I'm talking to a Snap! dev :o