⭐ Gameplay ⭐ - Arrow Keys or Wasd - To run and jump. - X - To spawn fireballs, when Fire Mario. - Down Arrow or S - To crouch / drop through semi - solid blue platforms. ⭐ Editor ⭐ - 1 key - Ground tiles. - 2 key - Special tiles. - 3 key - Semi-Solid tiles. - 4 key - Collectables, Spawn. - 5 key - Slope tiles. - 9 key - Enemies / Life. - L key - To toggle between levels. - R key - To reset a level. - Q Key - To toggle auto arranging tiles. - Space - Hold the key, until you hold it enhanced arranging is on.
Thanks @griffpatch for the tutorial.