I'm really impressed by how far this has come along since PJJ10. You should be super proud!
How is the difficulty curve?
he difficulty curve feels much better than PJJ10; much less friction because you've introduced the game mechanics more gradually this time.
On Level 2, where to "Click to Unfold" is a bit unclear. I tried clicking anywhere first, then to the left of the UI hint, then tried clicking and dragging, before finally realizing I had to click on a specific side of the fold line. Perhaps highlighting the valid column of clickable space for the tutorial would be helpful. Or perhaps the star effect could be on the side of the line you can unfold; that would make it universally clear each time where the unfolding can and will occur.
I also got stuck on Level 5 for a while because I didn't realize I had to jump to solve the puzzle. I only figured this out by reading a comment that some puzzles require "coordination". I think hinting at this will prevent player frustration. The difficulty curve after Level 5 was quite smooth, after learning I could compress space while jumping. I didn't get stuck again until Level 16.
Did you have any trouble understanding the folding limitations?
Honestly, yes. It's still not clear-cut when I click which row of tiles will remain and which row(s) of tiles will disappear. I learned it through trial and error, but it wasn't clear from the UI alone. The arrow when dragging does help though. One idea would be to highlight the two rows that will remain after the fold while you're clicking and dragging.
Is the demo too long/short?
I feel like the demo could be shorter. You want to give players a taste, but leave them wanting more. I feel like Level 16 is a good stopping point for the demo.
How is the performance of WebGL build?
It was great! Hardly any hiccups. A lag spike here and there when folding, but smooth otherwise.
If you had found this demo while browsing would you want to check out the full game after playing?
Yes, definitely!