acronyms are not cool you know?
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a sick as fuck gridvania level editor

vaporware?? ...maybe


editor window should upscale (pixel perfectly?)
tileset window should reorganize the layout to fit and allow scrolling
multiple selection of tiles should be allowed
pattern creation would be cool
tile rotation and flipping could be a thing (nb h+vflip is a 180 degrees rot)
mirroring options and shit would be sick as fuck