WASD for move and "j" for shoot, "k" for jump, s to transfome into a ball and w for be normal again. some sprites are not yet good 0 to enter in editor mode an j for in editor mode pass to another level
please play here; https://turbowarp.org/707517267?offscreen&hqpen https://scratch.mit.edu/projects/584344/ https://www.spriters-resource.com/search/?q=metroid @griffpatch code