(CONTROLS) Movement - Arrow keys, WASD keys. Throw Fireballs - X key. Toggle Editor Mode - 0 key. Toggle Auto Arranging - Q key. Eyedropper Tool - E key. Ground and Pipes - 1 key. Misc. Blocks - 2 key. Semi-solids - 3 key. Coins and Spawn point - 4 key. Grass Slopes - 5 key. Enemies - 9 key.
(This is as of part 19.) Please let me know if I made any mistakes in the code. If there are no mistakes, please let me know.