I absolutely detest the very existence of The Karate Kid (NES). It was by far my least favorite NES game that I owned growing up. It has some of the most annoying gameplay I've experienced in an early sidescroller.

You're armed with the worst sweep of all time that barely hits the inside of your own fucking sprite, and if you come within five centimeters of another enemy you both awkwardly bounce backwards like magnets repelling eachother. Which is appropriate to say, because sometimes when you get hit it apparently activates the magnet in Daniel's ass that makes him fly towards the nearest creek or other body of water. The dumbass bouncy castle gameplay is so horrendous that you're better off getting through stage 4 by just making the enemies follow you rather than actually fight them due to the terrible stage layout and avoiding having to deal with their fucking dick spears.

At least it's mercifully short, and I actually kinda like the bonus stages that are hidden in blacked out doorways (or the top of some part of the roof sometimes??). My favorite is the peaceful meditating girl just floating in the air for you to rescue(?) and get your HP back. I dunno what the fuck that's about, was she in the movie? I don't fucking know, go play Kung Fu instead or something.