How do you make Level?
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Did you mean "How do I make Levels[/s]?" ???
I would assume you use multiple canvases with transfers between them...
Like make Canvas 1, have it be level 1, and Canvas 2, and have it be level 2.
Then add a transfer point(whatever they call it)at the end of level 1, and have it go to level 2. Simple, right?