If you don't know what Tiled is, it is a very well made tile map editor by Thorbjørn Lindeijer It is what was used to make many popular video game maps such as Shovel Knight and Axiom Verge You can check it out here: https://www.mapeditor.org/ This project contains a single sprite that displays the tiles with a given size and allows you to put the Tiled tmx file into the scratch project for your own use. though there is some setup required, it makes designing multiple large levels with a consistent tileset easy. All you need to do is design a level in tiled and backpack the 'tiled-scratch' sprite to drop in your own project, then follow the instructions listed in the project