How do you restart over Pokemon Diamond and Pearl?

1. Save your game. Before you start over, make sure to save your game so you can return to your progress later if you want.

2. Go to the main menu. From the main menu, select "New Game."

3. Choose your language. Select the language you want to use for the game.

4. Choose your character. Select the character you want to play as.

5. Choose your name. Enter your name for the game.

6. Start your game. Once you have chosen your name, the game will start.

Note: If you want to delete your old save file, you can do so by going to the main menu and selecting "Delete Save File."