Use arrow keys to move, get through all 3 levels to get the Master Sword. Try to get as little bumps as posibe!
Go to https://www.google.com/search?q=master+sword&rlz=1CAPCCZ_enUS1041&source=lnms&tbm=isch&sa=X&ved=2ahUKEwj6jOrq5tb8AhW3k2oFHSvoAJsQ_AUoAXoECAEQAw&safe=active&ssui=on#imgrc=g2mf2ZU3VP_ceM to see Master Sword image.