Right arrow to go right. Left arrow to go left. Up arrow to jump. Avoid water, it makes you short circuit. Eugh I can't do any more...
I used a scratch tutorial check it out here: https://www.bing.com/videos/search?q=scratch+how+to+jump+and+gravity&docid=608000926854349117∣=CDE8E556BD6F62B3C981CDE8E556BD6F62B3C981&view=detail&FORM=VIRE You can walk on the menu screen. Credit to Will_Wam for inspiration. Credit to Will_Wam for an idea in the coding of his game (the one that inspired me) The Ninja.