Died? Of course you did. Now lets continue.
As you noticed, this game is friggin' hard. I honestly don't know how anyone can beat this game. But let's not focus on the impossibility of this game. How are the controls? Graphics? Plot?
The controls are pretty good. There's nothing Cheetamen about them, the graphics are great for the time, and the plot... quoting from the box, "The beautiful princess is kid-napped. Her lover, the Knight in shining armor, armed with five different weapons to fight the enemy, sets out to rescue the beautiful princess." so basically it has the same plot as every NES game ever.
Over all this game is decent. The only thing that really sets it apart from other games in the NES library is the difficulty. That being said, it's still a well put together game, just, like I said, impossible. So keep playing. If you actually manage to beat it, leave me a comment saying that you did. If you didn't, leave me a comment anyway. I like comments.
Thanks for reading :D