I would say it's less of a defined end than that: it basically only exists because Notch was coming up to the official non-beta release and felt like there shou

I would say it's less of a defined end than that: it basically only exists because Notch was coming up to the official non-beta release and felt like there should be something resembling an ending to the game if he was going to call it 'done'. (and then later on more stuff was added 'after the end': the end dimenson was initially only the island and the dragon)