As you are unable to have multiple saves on Pokemon Diamond, that means that it does delete your old save. no you have to save first after pressing new game see if you press new game nothing happens to your old file it will go away if you press save while on the new game it will ask are you sure you want to get rid of the older save file if you say yes its gone forever and now you started fresh.
Twinleaf Town, a small village in Pkmn Diomand and Pearl, it is where you'll start at in the games, and your rivals hometown
No, because they are copies of the original Pokemon, so if you don't start a new game, the creators figured you didnt need a second set of all the Pokemon you already have
Start new game
You would have to start a new game and catch the Pokemon again.
you just start a new game -_-
An event Pokémon will disappear if you start the game over and delete the save file.
You delete all of your progress and start over
Uh, start a new game and save at the beginning.
I have pokemon white too. You can delete your file if you wanted to start a new game. Once you start the game, you press start. Then there are lists what to do like to start your current game, mystery gift, connection help, and delete is on that list
You would need to transfer all your Pokemon back to your DS game, and delete the save data in the Wii Options menu (Wii Options -> Data Management -> Saves -> Wii -> My Pokemon Ranch -> Delete). However, if you delete your game save, you will lose any Pokemon left on your My Pokemon Ranch game.
yes you should because pokemon is a waste of time pokey man
To delete a save file and start a new game you have to hold up, select and then B and you will be given the option to delete your previous save file.