Amazing Legend of Zelda Secrets You May Have Never Known About

The second quest was a mistake

This one is quite a doozy, because in one level in Legend of Zelda it turns out, owes its existence to a programming mistake. Now Nintendo had a habit of consuming every last byte in the cartridge for their games  and the developers discovered that the game only used half as much data as they thought it would. So at the end the decided to essentially double the length of the game to eat up the space.