 This game started life in development for the Nintendo 64DD but was  later moved to the Nintendo 64 due frequent delays of the 64DD in  Japan. However, "hooks" were left in the game to allow for a future  expansion pack. Under the codename of Ura Zelda, an expansion pack  went into development for Ocarina Of Time that would provide  additional dungeons and items but was scrapped due to long delays  and production problems. Eventually some of the features of this  expansion found their way into Master Quest, a version of Ocarina Of  Time with remixed item locations and dungeon puzzles which was  released along with the original game as a bonus feature of  pre