For Creating a Single Spritesheet Requirements Python: An ability to run scripts locally Pillow: IDE Extension, documentation here Tab Save: Chrome extension here, or any other site for downloading images from urls in bulk Steps Within neighborhood sprites google sheet, filter by category (i.e. vehicles, other, etc) Utilize browser extension from above to download images locally Rename images as necessary to reorder them within your folder (the script sorts them by name) Run singlesheetgenerator.py to create spritesheet If images are in new positions, update neighborhoodSprites.json accordingly If images have been resized, update squareSize accordingly in skins.js