Arrow keys / WSAD to move. 0 to enter level editor. 1for pipes or normal blocks. 2 for decorative tiles. 3 for semi solid tiles. 4 for Mario spawn position and coins. 5 for slopes and 9 for enemies and endboxes. R to clear all tiles (don't use it). E to switch tile to tile on mouse pointer. Q to turn auto arranging tiles on or off. X shoot fireballs. L to enter desired level. Enjoy!!!