A really simple and fun platformer with a cool gimmick. Your main attack and also be used as a grappling hook and a high jump. it can feel a little jank to swing off things, but it with a little practice anyone can do some really stylish things with it. The game isn't too hard for an NES game until you reach the post credits bonus level. If you can't beat that level don't feel too bad, I really think they intended it to just be a fun challenge for those who want it.