Use arrow keys or WASD to move. Press 0 to enter/exit editor. In editor, press: q for toggling auto-place. 1 for tiles: floor, pipe 2 for tiles: golden, wooden, mystery block, bush, cloud, black end thing 3 for tiles: blue, orange 4 for tiles: coin, Mario start position 5 for tiles: grass 9 for tiles: goomba, koopa, fire flower, life, star, endbox, piranha plant. Do not touch goomba, koopa, piranha plant.
Arts, sounds, code thanks to @griffpatch. Please Like, ⭐, Follow, Comment