Press WASD or Arrow keys to walk. Press 0 to enable level editor. Press E to copy a block. Hold Space to drag the blocks from the grid itself. While the level editor is enabled, press 1-3 for layers. Press the same layer number again for onion skin mode.
https://www.youtube.com/playlist?list=PLy4zsTUHwGJJM6OFblu_t-5I5Yw5SxvhT griffpatch - the king of scratch
