Gameplay: Use the arrows or WASD to move. Press 0 to enter editor mode. Editor: Press 1-5, 9 for tiles, items, etc. Press L to load a level. Press R to reset a level. Press 0 to exit editor mode.
The sprites were found on https://www.spriters-resource.com/ds_dsi/newsupermariobros/ Thanks @griffpatch for the tutorial
