Just arrow keys. ST members, is this art style what we're going for? Otherwise, someone remix it and change the art so I can know before I make the rest of Mario's animations.
A test of the new collision engine that's more stable than any other platform fighter collision system on Scratch. Just move around and moonjump over and under the stage. Press down to do a super-insta-drop that would normally send you hurling through the stage. Also, try bumping up the lag!