Looks great! I'm looking forward to more progress.
Originally posted by Katerpie
Watch out for using block duplication as the main gimmick in that level, as it can brutally break it to pieces depending on the block. Otherwise, not bad so far.
I would say a good way of preventing breaks is to make sure the dirt tiles in the ground are solid and not dirt.
If you can't think of creative things involving block duping, there's a few things:
-You already have the "block factory allows you to pass through note blocks" glitch, but if you use a p-switch instead of a shell, it never despawns so the glitch works anywhere in the level.
-Duping blocks with certain layer 2 settings can actually allow you to dupe downwards, although it's incredibly hard. Idk if it would be reasonable to replicate, but I've never seen it done in a hack before.
Honestly, you could probably revolve the entire level around the "passing through the note blocks" glitch.