Legendary Quest

It's the early 90s and you are excitedly loading up the newest game for the NES, "Legendary Quest". Suddenly, lightning strikes your home, your lights flash, and you feel a strong shock causing you to black out. When you come to, you're inside the game world. The dark castle down the way, a magical sword sticking out of the ground, and horrifying woods all around. Can you win the game and escape?