I speedran this game for a little bit and its really good once you dont suck ass at it like most people who gave it a low score. The skill ceiling is high with a good challenge being presented. The controls can be a lil slippery and the later dungeons can be confusing. But hey, this is one of the more playable early nes games and has aged a lot better than its sister game Metroid. Check it out, its either be there or be square.